Home / 66,141.48-99,108.54-56,240.04

Finding the Fourth Proportional to 66,141.48, 99,108.54 and 56,240.04

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Solution

The fourth proportional to 66,141.48, 99,108.54 and 56,240.04 is: 84,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,141.48 : 99,108.54 = 56,240.04 : x
  2. Step 2: Convert to fraction form
    66,141.48/99,108.54 = 56,240.04/x
  3. Step 3: Cross multiply
    66,141.48x = 99,108.54 × 56,240.04
  4. Step 4: Simplify right side
    66,141.48x = 5,573,868,253.94
  5. Step 5: Solve for x
    x = 5,573,868,253.94/66,141.48
  6. Step 6: Final answer
    x = 84,271.90

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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.