Home / 84,988.10-117,237.98-52,702.52

Finding the Fourth Proportional to 84,988.10, 117,237.98 and 52,702.52

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Solution

The fourth proportional to 84,988.10, 117,237.98 and 52,702.52 is: 72,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,988.10 : 117,237.98 = 52,702.52 : x
  2. Step 2: Convert to fraction form
    84,988.10/117,237.98 = 52,702.52/x
  3. Step 3: Cross multiply
    84,988.10x = 117,237.98 × 52,702.52
  4. Step 4: Simplify right side
    84,988.10x = 6,178,736,531.28
  5. Step 5: Solve for x
    x = 6,178,736,531.28/84,988.10
  6. Step 6: Final answer
    x = 72,701.19

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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.