Home / 99,423.27-137,210.03-56,984.53

Finding the Fourth Proportional to 99,423.27, 137,210.03 and 56,984.53

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Solution

The fourth proportional to 99,423.27, 137,210.03 and 56,984.53 is: 78,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,423.27 : 137,210.03 = 56,984.53 : x
  2. Step 2: Convert to fraction form
    99,423.27/137,210.03 = 56,984.53/x
  3. Step 3: Cross multiply
    99,423.27x = 137,210.03 × 56,984.53
  4. Step 4: Simplify right side
    99,423.27x = 7,818,848,785.91
  5. Step 5: Solve for x
    x = 7,818,848,785.91/99,423.27
  6. Step 6: Final answer
    x = 78,642.04

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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.