Home / 71,248.16-106,648.68-47,509.04

Finding the Fourth Proportional to 71,248.16, 106,648.68 and 47,509.04

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Solution

The fourth proportional to 71,248.16, 106,648.68 and 47,509.04 is: 71,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,248.16 : 106,648.68 = 47,509.04 : x
  2. Step 2: Convert to fraction form
    71,248.16/106,648.68 = 47,509.04/x
  3. Step 3: Cross multiply
    71,248.16x = 106,648.68 × 47,509.04
  4. Step 4: Simplify right side
    71,248.16x = 5,066,776,404.07
  5. Step 5: Solve for x
    x = 5,066,776,404.07/71,248.16
  6. Step 6: Final answer
    x = 71,114.49

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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.