Home / 66,475.10-99,712.65-60,643.10

Finding the Fourth Proportional to 66,475.10, 99,712.65 and 60,643.10

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Solution

The fourth proportional to 66,475.10, 99,712.65 and 60,643.10 is: 90,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,475.10 : 99,712.65 = 60,643.10 : x
  2. Step 2: Convert to fraction form
    66,475.10/99,712.65 = 60,643.10/x
  3. Step 3: Cross multiply
    66,475.10x = 99,712.65 × 60,643.10
  4. Step 4: Simplify right side
    66,475.10x = 6,046,884,205.22
  5. Step 5: Solve for x
    x = 6,046,884,205.22/66,475.10
  6. Step 6: Final answer
    x = 90,964.65

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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.