Home / 109,318.31-163,977.47-62,538.38

Finding the Fourth Proportional to 109,318.31, 163,977.47 and 62,538.38

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Solution

The fourth proportional to 109,318.31, 163,977.47 and 62,538.38 is: 93,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,318.31 : 163,977.47 = 62,538.38 : x
  2. Step 2: Convert to fraction form
    109,318.31/163,977.47 = 62,538.38/x
  3. Step 3: Cross multiply
    109,318.31x = 163,977.47 × 62,538.38
  4. Step 4: Simplify right side
    109,318.31x = 10,254,885,017.61
  5. Step 5: Solve for x
    x = 10,254,885,017.61/109,318.31
  6. Step 6: Final answer
    x = 93,807.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.