Home / 91,585.97-137,142.36-63,210.50

Finding the Fourth Proportional to 91,585.97, 137,142.36 and 63,210.50

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Solution

The fourth proportional to 91,585.97, 137,142.36 and 63,210.50 is: 94,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,585.97 : 137,142.36 = 63,210.50 : x
  2. Step 2: Convert to fraction form
    91,585.97/137,142.36 = 63,210.50/x
  3. Step 3: Cross multiply
    91,585.97x = 137,142.36 × 63,210.50
  4. Step 4: Simplify right side
    91,585.97x = 8,668,837,146.78
  5. Step 5: Solve for x
    x = 8,668,837,146.78/91,585.97
  6. Step 6: Final answer
    x = 94,652.46

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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.