Home / 91,547.10-137,550.68-58,282.02

Finding the Fourth Proportional to 91,547.10, 137,550.68 and 58,282.02

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Solution

The fourth proportional to 91,547.10, 137,550.68 and 58,282.02 is: 87,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,547.10 : 137,550.68 = 58,282.02 : x
  2. Step 2: Convert to fraction form
    91,547.10/137,550.68 = 58,282.02/x
  3. Step 3: Cross multiply
    91,547.10x = 137,550.68 × 58,282.02
  4. Step 4: Simplify right side
    91,547.10x = 8,016,731,482.77
  5. Step 5: Solve for x
    x = 8,016,731,482.77/91,547.10
  6. Step 6: Final answer
    x = 87,569.47

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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.