Home / 72,864.41-109,296.63-56,248.70

Finding the Fourth Proportional to 72,864.41, 109,296.63 and 56,248.70

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Solution

The fourth proportional to 72,864.41, 109,296.63 and 56,248.70 is: 84,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,864.41 : 109,296.63 = 56,248.70 : x
  2. Step 2: Convert to fraction form
    72,864.41/109,296.63 = 56,248.70/x
  3. Step 3: Cross multiply
    72,864.41x = 109,296.63 × 56,248.70
  4. Step 4: Simplify right side
    72,864.41x = 6,147,792,805.40
  5. Step 5: Solve for x
    x = 6,147,792,805.40/72,864.41
  6. Step 6: Final answer
    x = 84,373.06

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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.