Home / 78,332.40-108,099.63-44,337.92

Finding the Fourth Proportional to 78,332.40, 108,099.63 and 44,337.92

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Solution

The fourth proportional to 78,332.40, 108,099.63 and 44,337.92 is: 61,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,332.40 : 108,099.63 = 44,337.92 : x
  2. Step 2: Convert to fraction form
    78,332.40/108,099.63 = 44,337.92/x
  3. Step 3: Cross multiply
    78,332.40x = 108,099.63 × 44,337.92
  4. Step 4: Simplify right side
    78,332.40x = 4,792,912,206.47
  5. Step 5: Solve for x
    x = 4,792,912,206.47/78,332.40
  6. Step 6: Final answer
    x = 61,186.84

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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.