Home / 85,957.13-118,618.97-47,714.45

Finding the Fourth Proportional to 85,957.13, 118,618.97 and 47,714.45

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Solution

The fourth proportional to 85,957.13, 118,618.97 and 47,714.45 is: 65,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,957.13 : 118,618.97 = 47,714.45 : x
  2. Step 2: Convert to fraction form
    85,957.13/118,618.97 = 47,714.45/x
  3. Step 3: Cross multiply
    85,957.13x = 118,618.97 × 47,714.45
  4. Step 4: Simplify right side
    85,957.13x = 5,659,838,081.45
  5. Step 5: Solve for x
    x = 5,659,838,081.45/85,957.13
  6. Step 6: Final answer
    x = 65,844.89

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1.5x scale

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.