Home / 66,498.12-99,750.60-63,135

Finding the Fourth Proportional to 66,498.12, 99,750.60 and 63,135

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Solution

The fourth proportional to 66,498.12, 99,750.60 and 63,135 is: 94,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498.12 : 99,750.60 = 63,135 : x
  2. Step 2: Convert to fraction form
    66,498.12/99,750.60 = 63,135/x
  3. Step 3: Cross multiply
    66,498.12x = 99,750.60 × 63,135
  4. Step 4: Simplify right side
    66,498.12x = 6,297,754,131
  5. Step 5: Solve for x
    x = 6,297,754,131/66,498.12
  6. Step 6: Final answer
    x = 94,705.75

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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.