Home / 85,945.30-118,602.68-47,702.62

Finding the Fourth Proportional to 85,945.30, 118,602.68 and 47,702.62

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Solution

The fourth proportional to 85,945.30, 118,602.68 and 47,702.62 is: 65,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,945.30 : 118,602.68 = 47,702.62 : x
  2. Step 2: Convert to fraction form
    85,945.30/118,602.68 = 47,702.62/x
  3. Step 3: Cross multiply
    85,945.30x = 118,602.68 × 47,702.62
  4. Step 4: Simplify right side
    85,945.30x = 5,657,658,753.09
  5. Step 5: Solve for x
    x = 5,657,658,753.09/85,945.30
  6. Step 6: Final answer
    x = 65,828.60

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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.