Home / 71,588.34-107,335.12-34,154.19

Finding the Fourth Proportional to 71,588.34, 107,335.12 and 34,154.19

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Solution

The fourth proportional to 71,588.34, 107,335.12 and 34,154.19 is: 51,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,588.34 : 107,335.12 = 34,154.19 : x
  2. Step 2: Convert to fraction form
    71,588.34/107,335.12 = 34,154.19/x
  3. Step 3: Cross multiply
    71,588.34x = 107,335.12 × 34,154.19
  4. Step 4: Simplify right side
    71,588.34x = 3,665,944,082.15
  5. Step 5: Solve for x
    x = 3,665,944,082.15/71,588.34
  6. Step 6: Final answer
    x = 51,208.68

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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.