Home / 67,398.08-101,117.63-31,886.67

Finding the Fourth Proportional to 67,398.08, 101,117.63 and 31,886.67

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Solution

The fourth proportional to 67,398.08, 101,117.63 and 31,886.67 is: 47,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,398.08 : 101,117.63 = 31,886.67 : x
  2. Step 2: Convert to fraction form
    67,398.08/101,117.63 = 31,886.67/x
  3. Step 3: Cross multiply
    67,398.08x = 101,117.63 × 31,886.67
  4. Step 4: Simplify right side
    67,398.08x = 3,224,304,498.99
  5. Step 5: Solve for x
    x = 3,224,304,498.99/67,398.08
  6. Step 6: Final answer
    x = 47,839.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.