Home / 85,548.62-118,001.50-54,873.18

Finding the Fourth Proportional to 85,548.62, 118,001.50 and 54,873.18

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Solution

The fourth proportional to 85,548.62, 118,001.50 and 54,873.18 is: 75,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,548.62 : 118,001.50 = 54,873.18 : x
  2. Step 2: Convert to fraction form
    85,548.62/118,001.50 = 54,873.18/x
  3. Step 3: Cross multiply
    85,548.62x = 118,001.50 × 54,873.18
  4. Step 4: Simplify right side
    85,548.62x = 6,475,117,412.59
  5. Step 5: Solve for x
    x = 6,475,117,412.59/85,548.62
  6. Step 6: Final answer
    x = 75,689.32

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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.