Home / 63,679.04-87,877.12-35,387.36

Finding the Fourth Proportional to 63,679.04, 87,877.12 and 35,387.36

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Solution

The fourth proportional to 63,679.04, 87,877.12 and 35,387.36 is: 48,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,679.04 : 87,877.12 = 35,387.36 : x
  2. Step 2: Convert to fraction form
    63,679.04/87,877.12 = 35,387.36/x
  3. Step 3: Cross multiply
    63,679.04x = 87,877.12 × 35,387.36
  4. Step 4: Simplify right side
    63,679.04x = 3,109,739,281.20
  5. Step 5: Solve for x
    x = 3,109,739,281.20/63,679.04
  6. Step 6: Final answer
    x = 48,834.58

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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.