Home / 66,068.95-99,118.56-28,635.30

Finding the Fourth Proportional to 66,068.95, 99,118.56 and 28,635.30

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Solution

The fourth proportional to 66,068.95, 99,118.56 and 28,635.30 is: 42,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,068.95 : 99,118.56 = 28,635.30 : x
  2. Step 2: Convert to fraction form
    66,068.95/99,118.56 = 28,635.30/x
  3. Step 3: Cross multiply
    66,068.95x = 99,118.56 × 28,635.30
  4. Step 4: Simplify right side
    66,068.95x = 2,838,289,701.17
  5. Step 5: Solve for x
    x = 2,838,289,701.17/66,068.95
  6. Step 6: Final answer
    x = 42,959.51

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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.