Home / 71,416.81-98,551.65-39,585.43

Finding the Fourth Proportional to 71,416.81, 98,551.65 and 39,585.43

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Solution

The fourth proportional to 71,416.81, 98,551.65 and 39,585.43 is: 54,625.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416.81 : 98,551.65 = 39,585.43 : x
  2. Step 2: Convert to fraction form
    71,416.81/98,551.65 = 39,585.43/x
  3. Step 3: Cross multiply
    71,416.81x = 98,551.65 × 39,585.43
  4. Step 4: Simplify right side
    71,416.81x = 3,901,209,442.46
  5. Step 5: Solve for x
    x = 3,901,209,442.46/71,416.81
  6. Step 6: Final answer
    x = 54,625.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.