Home / 75,176.88-103,684.23-48,322.14

Finding the Fourth Proportional to 75,176.88, 103,684.23 and 48,322.14

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Solution

The fourth proportional to 75,176.88, 103,684.23 and 48,322.14 is: 66,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,176.88 : 103,684.23 = 48,322.14 : x
  2. Step 2: Convert to fraction form
    75,176.88/103,684.23 = 48,322.14/x
  3. Step 3: Cross multiply
    75,176.88x = 103,684.23 × 48,322.14
  4. Step 4: Simplify right side
    75,176.88x = 5,010,243,877.85
  5. Step 5: Solve for x
    x = 5,010,243,877.85/75,176.88
  6. Step 6: Final answer
    x = 66,646.07

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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.