Home / 63,782.45-88,031.97-42,234.21

Finding the Fourth Proportional to 63,782.45, 88,031.97 and 42,234.21

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Solution

The fourth proportional to 63,782.45, 88,031.97 and 42,234.21 is: 58,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,782.45 : 88,031.97 = 42,234.21 : x
  2. Step 2: Convert to fraction form
    63,782.45/88,031.97 = 42,234.21/x
  3. Step 3: Cross multiply
    63,782.45x = 88,031.97 × 42,234.21
  4. Step 4: Simplify right side
    63,782.45x = 3,717,960,496.52
  5. Step 5: Solve for x
    x = 3,717,960,496.52/63,782.45
  6. Step 6: Final answer
    x = 58,291.28

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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.