Home / 99,586.22-137,427.20-54,264.59

Finding the Fourth Proportional to 99,586.22, 137,427.20 and 54,264.59

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Solution

The fourth proportional to 99,586.22, 137,427.20 and 54,264.59 is: 74,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,586.22 : 137,427.20 = 54,264.59 : x
  2. Step 2: Convert to fraction form
    99,586.22/137,427.20 = 54,264.59/x
  3. Step 3: Cross multiply
    99,586.22x = 137,427.20 × 54,264.59
  4. Step 4: Simplify right side
    99,586.22x = 7,457,430,391.53
  5. Step 5: Solve for x
    x = 7,457,430,391.53/99,586.22
  6. Step 6: Final answer
    x = 74,884.16

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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.