Home / 70,720.19-97,585.66-40,503.71

Finding the Fourth Proportional to 70,720.19, 97,585.66 and 40,503.71

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Solution

The fourth proportional to 70,720.19, 97,585.66 and 40,503.71 is: 55,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,720.19 : 97,585.66 = 40,503.71 : x
  2. Step 2: Convert to fraction form
    70,720.19/97,585.66 = 40,503.71/x
  3. Step 3: Cross multiply
    70,720.19x = 97,585.66 × 40,503.71
  4. Step 4: Simplify right side
    70,720.19x = 3,952,581,567.39
  5. Step 5: Solve for x
    x = 3,952,581,567.39/70,720.19
  6. Step 6: Final answer
    x = 55,890.43

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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.