Home / 91,513.85-137,091.97-63,045.77

Finding the Fourth Proportional to 91,513.85, 137,091.97 and 63,045.77

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Solution

The fourth proportional to 91,513.85, 137,091.97 and 63,045.77 is: 94,445.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,513.85 : 137,091.97 = 63,045.77 : x
  2. Step 2: Convert to fraction form
    91,513.85/137,091.97 = 63,045.77/x
  3. Step 3: Cross multiply
    91,513.85x = 137,091.97 × 63,045.77
  4. Step 4: Simplify right side
    91,513.85x = 8,643,068,411.07
  5. Step 5: Solve for x
    x = 8,643,068,411.07/91,513.85
  6. Step 6: Final answer
    x = 94,445.47

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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.