Home / 79,240.90-109,352.22-42,943.35

Finding the Fourth Proportional to 79,240.90, 109,352.22 and 42,943.35

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Solution

The fourth proportional to 79,240.90, 109,352.22 and 42,943.35 is: 59,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,240.90 : 109,352.22 = 42,943.35 : x
  2. Step 2: Convert to fraction form
    79,240.90/109,352.22 = 42,943.35/x
  3. Step 3: Cross multiply
    79,240.90x = 109,352.22 × 42,943.35
  4. Step 4: Simplify right side
    79,240.90x = 4,695,950,656.74
  5. Step 5: Solve for x
    x = 4,695,950,656.74/79,240.90
  6. Step 6: Final answer
    x = 59,261.70

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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.