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Finding the Fourth Proportional to 75,689.90, 104,444.22 and 46,613.67

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Solution

The fourth proportional to 75,689.90, 104,444.22 and 46,613.67 is: 64,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,689.90 : 104,444.22 = 46,613.67 : x
  2. Step 2: Convert to fraction form
    75,689.90/104,444.22 = 46,613.67/x
  3. Step 3: Cross multiply
    75,689.90x = 104,444.22 × 46,613.67
  4. Step 4: Simplify right side
    75,689.90x = 4,868,527,882.27
  5. Step 5: Solve for x
    x = 4,868,527,882.27/75,689.90
  6. Step 6: Final answer
    x = 64,322.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.