Home / 71,319.90-98,422.84-42,669.06

Finding the Fourth Proportional to 71,319.90, 98,422.84 and 42,669.06

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Solution

The fourth proportional to 71,319.90, 98,422.84 and 42,669.06 is: 58,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,319.90 : 98,422.84 = 42,669.06 : x
  2. Step 2: Convert to fraction form
    71,319.90/98,422.84 = 42,669.06/x
  3. Step 3: Cross multiply
    71,319.90x = 98,422.84 × 42,669.06
  4. Step 4: Simplify right side
    71,319.90x = 4,199,610,065.33
  5. Step 5: Solve for x
    x = 4,199,610,065.33/71,319.90
  6. Step 6: Final answer
    x = 58,884.13

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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.