Home / 72,834.16-109,294.98-30,711.64

Finding the Fourth Proportional to 72,834.16, 109,294.98 and 30,711.64

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Solution

The fourth proportional to 72,834.16, 109,294.98 and 30,711.64 is: 46,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,834.16 : 109,294.98 = 30,711.64 : x
  2. Step 2: Convert to fraction form
    72,834.16/109,294.98 = 30,711.64/x
  3. Step 3: Cross multiply
    72,834.16x = 109,294.98 × 30,711.64
  4. Step 4: Simplify right side
    72,834.16x = 3,356,628,079.57
  5. Step 5: Solve for x
    x = 3,356,628,079.57/72,834.16
  6. Step 6: Final answer
    x = 46,085.90

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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.