Home / 112,545.03-168,768.31-53,397.57

Finding the Fourth Proportional to 112,545.03, 168,768.31 and 53,397.57

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Solution

The fourth proportional to 112,545.03, 168,768.31 and 53,397.57 is: 80,073.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,545.03 : 168,768.31 = 53,397.57 : x
  2. Step 2: Convert to fraction form
    112,545.03/168,768.31 = 53,397.57/x
  3. Step 3: Cross multiply
    112,545.03x = 168,768.31 × 53,397.57
  4. Step 4: Simplify right side
    112,545.03x = 9,011,817,647.01
  5. Step 5: Solve for x
    x = 9,011,817,647.01/112,545.03
  6. Step 6: Final answer
    x = 80,073.00

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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.