Home / 66,116.39-99,248.56-43,973.15

Finding the Fourth Proportional to 66,116.39, 99,248.56 and 43,973.15

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Solution

The fourth proportional to 66,116.39, 99,248.56 and 43,973.15 is: 66,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,116.39 : 99,248.56 = 43,973.15 : x
  2. Step 2: Convert to fraction form
    66,116.39/99,248.56 = 43,973.15/x
  3. Step 3: Cross multiply
    66,116.39x = 99,248.56 × 43,973.15
  4. Step 4: Simplify right side
    66,116.39x = 4,364,271,209.99
  5. Step 5: Solve for x
    x = 4,364,271,209.99/66,116.39
  6. Step 6: Final answer
    x = 66,008.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.