Home / 62,178.17-85,609.14-56,495.91

Finding the Fourth Proportional to 62,178.17, 85,609.14 and 56,495.91

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Solution

The fourth proportional to 62,178.17, 85,609.14 and 56,495.91 is: 77,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,178.17 : 85,609.14 = 56,495.91 : x
  2. Step 2: Convert to fraction form
    62,178.17/85,609.14 = 56,495.91/x
  3. Step 3: Cross multiply
    62,178.17x = 85,609.14 × 56,495.91
  4. Step 4: Simplify right side
    62,178.17x = 4,836,566,377.79
  5. Step 5: Solve for x
    x = 4,836,566,377.79/62,178.17
  6. Step 6: Final answer
    x = 77,785.61

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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.