Home / 113,701.28-156,908.48-62,715.37

Finding the Fourth Proportional to 113,701.28, 156,908.48 and 62,715.37

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Solution

The fourth proportional to 113,701.28, 156,908.48 and 62,715.37 is: 86,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,701.28 : 156,908.48 = 62,715.37 : x
  2. Step 2: Convert to fraction form
    113,701.28/156,908.48 = 62,715.37/x
  3. Step 3: Cross multiply
    113,701.28x = 156,908.48 × 62,715.37
  4. Step 4: Simplify right side
    113,701.28x = 9,840,573,379.34
  5. Step 5: Solve for x
    x = 9,840,573,379.34/113,701.28
  6. Step 6: Final answer
    x = 86,547.61

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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.