Home / 113,607.62-156,779.61-62,622.35

Finding the Fourth Proportional to 113,607.62, 156,779.61 and 62,622.35

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Solution

The fourth proportional to 113,607.62, 156,779.61 and 62,622.35 is: 86,419.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,607.62 : 156,779.61 = 62,622.35 : x
  2. Step 2: Convert to fraction form
    113,607.62/156,779.61 = 62,622.35/x
  3. Step 3: Cross multiply
    113,607.62x = 156,779.61 × 62,622.35
  4. Step 4: Simplify right side
    113,607.62x = 9,817,906,826.39
  5. Step 5: Solve for x
    x = 9,817,906,826.39/113,607.62
  6. Step 6: Final answer
    x = 86,419.44

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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.