Home / 91,858.10-137,825.55-29,547.70

Finding the Fourth Proportional to 91,858.10, 137,825.55 and 29,547.70

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Solution

The fourth proportional to 91,858.10, 137,825.55 and 29,547.70 is: 44,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858.10 : 137,825.55 = 29,547.70 : x
  2. Step 2: Convert to fraction form
    91,858.10/137,825.55 = 29,547.70/x
  3. Step 3: Cross multiply
    91,858.10x = 137,825.55 × 29,547.70
  4. Step 4: Simplify right side
    91,858.10x = 4,072,428,003.74
  5. Step 5: Solve for x
    x = 4,072,428,003.74/91,858.10
  6. Step 6: Final answer
    x = 44,333.90

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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.