Home / 63,075.98-87,042.99-34,781.66

Finding the Fourth Proportional to 63,075.98, 87,042.99 and 34,781.66

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Solution

The fourth proportional to 63,075.98, 87,042.99 and 34,781.66 is: 47,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,075.98 : 87,042.99 = 34,781.66 : x
  2. Step 2: Convert to fraction form
    63,075.98/87,042.99 = 34,781.66/x
  3. Step 3: Cross multiply
    63,075.98x = 87,042.99 × 34,781.66
  4. Step 4: Simplify right side
    63,075.98x = 3,027,499,683.56
  5. Step 5: Solve for x
    x = 3,027,499,683.56/63,075.98
  6. Step 6: Final answer
    x = 47,997.66

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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.