Home / 71,659.32-98,897.88-43,380.60

Finding the Fourth Proportional to 71,659.32, 98,897.88 and 43,380.60

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Solution

The fourth proportional to 71,659.32, 98,897.88 and 43,380.60 is: 59,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,659.32 : 98,897.88 = 43,380.60 : x
  2. Step 2: Convert to fraction form
    71,659.32/98,897.88 = 43,380.60/x
  3. Step 3: Cross multiply
    71,659.32x = 98,897.88 × 43,380.60
  4. Step 4: Simplify right side
    71,659.32x = 4,290,249,373.13
  5. Step 5: Solve for x
    x = 4,290,249,373.13/71,659.32
  6. Step 6: Final answer
    x = 59,870.08

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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.