Home / 78,544.84-108,394.20-42,737.17

Finding the Fourth Proportional to 78,544.84, 108,394.20 and 42,737.17

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Solution

The fourth proportional to 78,544.84, 108,394.20 and 42,737.17 is: 58,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,544.84 : 108,394.20 = 42,737.17 : x
  2. Step 2: Convert to fraction form
    78,544.84/108,394.20 = 42,737.17/x
  3. Step 3: Cross multiply
    78,544.84x = 108,394.20 × 42,737.17
  4. Step 4: Simplify right side
    78,544.84x = 4,632,461,284.67
  5. Step 5: Solve for x
    x = 4,632,461,284.67/78,544.84
  6. Step 6: Final answer
    x = 58,978.56

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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.