Home / 113,698.08-156,901.46-62,715.77

Finding the Fourth Proportional to 113,698.08, 156,901.46 and 62,715.77

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Solution

The fourth proportional to 113,698.08, 156,901.46 and 62,715.77 is: 86,546.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,698.08 : 156,901.46 = 62,715.77 : x
  2. Step 2: Convert to fraction form
    113,698.08/156,901.46 = 62,715.77/x
  3. Step 3: Cross multiply
    113,698.08x = 156,901.46 × 62,715.77
  4. Step 4: Simplify right side
    113,698.08x = 9,840,195,368.32
  5. Step 5: Solve for x
    x = 9,840,195,368.32/113,698.08
  6. Step 6: Final answer
    x = 86,546.72

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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.