Home / 71,307.24-98,373.09-42,997.20

Finding the Fourth Proportional to 71,307.24, 98,373.09 and 42,997.20

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Solution

The fourth proportional to 71,307.24, 98,373.09 and 42,997.20 is: 59,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,307.24 : 98,373.09 = 42,997.20 : x
  2. Step 2: Convert to fraction form
    71,307.24/98,373.09 = 42,997.20/x
  3. Step 3: Cross multiply
    71,307.24x = 98,373.09 × 42,997.20
  4. Step 4: Simplify right side
    71,307.24x = 4,229,767,425.35
  5. Step 5: Solve for x
    x = 4,229,767,425.35/71,307.24
  6. Step 6: Final answer
    x = 59,317.50

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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.