Home / 113,226.36-156,248.08-62,928.60

Finding the Fourth Proportional to 113,226.36, 156,248.08 and 62,928.60

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Solution

The fourth proportional to 113,226.36, 156,248.08 and 62,928.60 is: 86,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,226.36 : 156,248.08 = 62,928.60 : x
  2. Step 2: Convert to fraction form
    113,226.36/156,248.08 = 62,928.60/x
  3. Step 3: Cross multiply
    113,226.36x = 156,248.08 × 62,928.60
  4. Step 4: Simplify right side
    113,226.36x = 9,832,472,927.09
  5. Step 5: Solve for x
    x = 9,832,472,927.09/113,226.36
  6. Step 6: Final answer
    x = 86,839.08

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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.