Home / 113,686.70-156,888.66-62,701.40

Finding the Fourth Proportional to 113,686.70, 156,888.66 and 62,701.40

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Solution

The fourth proportional to 113,686.70, 156,888.66 and 62,701.40 is: 86,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,686.70 : 156,888.66 = 62,701.40 : x
  2. Step 2: Convert to fraction form
    113,686.70/156,888.66 = 62,701.40/x
  3. Step 3: Cross multiply
    113,686.70x = 156,888.66 × 62,701.40
  4. Step 4: Simplify right side
    113,686.70x = 9,837,138,626.12
  5. Step 5: Solve for x
    x = 9,837,138,626.12/113,686.70
  6. Step 6: Final answer
    x = 86,528.49

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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.