Home / 72,941.55-108,645.22-69,528.75

Finding the Fourth Proportional to 72,941.55, 108,645.22 and 69,528.75

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Solution

The fourth proportional to 72,941.55, 108,645.22 and 69,528.75 is: 103,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,941.55 : 108,645.22 = 69,528.75 : x
  2. Step 2: Convert to fraction form
    72,941.55/108,645.22 = 69,528.75/x
  3. Step 3: Cross multiply
    72,941.55x = 108,645.22 × 69,528.75
  4. Step 4: Simplify right side
    72,941.55x = 7,553,966,166.25
  5. Step 5: Solve for x
    x = 7,553,966,166.25/72,941.55
  6. Step 6: Final answer
    x = 103,561.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.