Home / 71,323.20-106,954.56-38,036.16

Finding the Fourth Proportional to 71,323.20, 106,954.56 and 38,036.16

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Solution

The fourth proportional to 71,323.20, 106,954.56 and 38,036.16 is: 57,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,323.20 : 106,954.56 = 38,036.16 : x
  2. Step 2: Convert to fraction form
    71,323.20/106,954.56 = 38,036.16/x
  3. Step 3: Cross multiply
    71,323.20x = 106,954.56 × 38,036.16
  4. Step 4: Simplify right side
    71,323.20x = 4,068,140,756.89
  5. Step 5: Solve for x
    x = 4,068,140,756.89/71,323.20
  6. Step 6: Final answer
    x = 57,038.11

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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.