Home / 66,366.72-99,519.84-28,925.28

Finding the Fourth Proportional to 66,366.72, 99,519.84 and 28,925.28

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Solution

The fourth proportional to 66,366.72, 99,519.84 and 28,925.28 is: 43,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,366.72 : 99,519.84 = 28,925.28 : x
  2. Step 2: Convert to fraction form
    66,366.72/99,519.84 = 28,925.28/x
  3. Step 3: Cross multiply
    66,366.72x = 99,519.84 × 28,925.28
  4. Step 4: Simplify right side
    66,366.72x = 2,878,639,237.56
  5. Step 5: Solve for x
    x = 2,878,639,237.56/66,366.72
  6. Step 6: Final answer
    x = 43,374.74

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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.