Home / 63,387.80-87,381.98-48,254.08

Finding the Fourth Proportional to 63,387.80, 87,381.98 and 48,254.08

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Solution

The fourth proportional to 63,387.80, 87,381.98 and 48,254.08 is: 66,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,387.80 : 87,381.98 = 48,254.08 : x
  2. Step 2: Convert to fraction form
    63,387.80/87,381.98 = 48,254.08/x
  3. Step 3: Cross multiply
    63,387.80x = 87,381.98 × 48,254.08
  4. Step 4: Simplify right side
    63,387.80x = 4,216,537,053.48
  5. Step 5: Solve for x
    x = 4,216,537,053.48/63,387.80
  6. Step 6: Final answer
    x = 66,519.69

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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.