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Finding the Fourth Proportional to 66,341.30, 99,560.07 and 49,746.02

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Solution

The fourth proportional to 66,341.30, 99,560.07 and 49,746.02 is: 74,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341.30 : 99,560.07 = 49,746.02 : x
  2. Step 2: Convert to fraction form
    66,341.30/99,560.07 = 49,746.02/x
  3. Step 3: Cross multiply
    66,341.30x = 99,560.07 × 49,746.02
  4. Step 4: Simplify right side
    66,341.30x = 4,952,716,735.62
  5. Step 5: Solve for x
    x = 4,952,716,735.62/66,341.30
  6. Step 6: Final answer
    x = 74,655.11

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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.