Home / 85,862.53-118,490.29-52,328.53

Finding the Fourth Proportional to 85,862.53, 118,490.29 and 52,328.53

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Solution

The fourth proportional to 85,862.53, 118,490.29 and 52,328.53 is: 72,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,862.53 : 118,490.29 = 52,328.53 : x
  2. Step 2: Convert to fraction form
    85,862.53/118,490.29 = 52,328.53/x
  3. Step 3: Cross multiply
    85,862.53x = 118,490.29 × 52,328.53
  4. Step 4: Simplify right side
    85,862.53x = 6,200,423,006.61
  5. Step 5: Solve for x
    x = 6,200,423,006.61/85,862.53
  6. Step 6: Final answer
    x = 72,213.37

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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.