Home / 97,947.53-147,068.92-55,875.12

Finding the Fourth Proportional to 97,947.53, 147,068.92 and 55,875.12

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Solution

The fourth proportional to 97,947.53, 147,068.92 and 55,875.12 is: 83,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,947.53 : 147,068.92 = 55,875.12 : x
  2. Step 2: Convert to fraction form
    97,947.53/147,068.92 = 55,875.12/x
  3. Step 3: Cross multiply
    97,947.53x = 147,068.92 × 55,875.12
  4. Step 4: Simplify right side
    97,947.53x = 8,217,492,757.31
  5. Step 5: Solve for x
    x = 8,217,492,757.31/97,947.53
  6. Step 6: Final answer
    x = 83,896.89

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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.