Home / 91,545.09-137,547.68-58,280.01

Finding the Fourth Proportional to 91,545.09, 137,547.68 and 58,280.01

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Solution

The fourth proportional to 91,545.09, 137,547.68 and 58,280.01 is: 87,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,545.09 : 137,547.68 = 58,280.01 : x
  2. Step 2: Convert to fraction form
    91,545.09/137,547.68 = 58,280.01/x
  3. Step 3: Cross multiply
    91,545.09x = 137,547.68 × 58,280.01
  4. Step 4: Simplify right side
    91,545.09x = 8,016,279,874.48
  5. Step 5: Solve for x
    x = 8,016,279,874.48/91,545.09
  6. Step 6: Final answer
    x = 87,566.46

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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.