Home / 73,521.20-101,411.40-43,281.02

Finding the Fourth Proportional to 73,521.20, 101,411.40 and 43,281.02

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Solution

The fourth proportional to 73,521.20, 101,411.40 and 43,281.02 is: 59,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,521.20 : 101,411.40 = 43,281.02 : x
  2. Step 2: Convert to fraction form
    73,521.20/101,411.40 = 43,281.02/x
  3. Step 3: Cross multiply
    73,521.20x = 101,411.40 × 43,281.02
  4. Step 4: Simplify right side
    73,521.20x = 4,389,188,831.63
  5. Step 5: Solve for x
    x = 4,389,188,831.63/73,521.20
  6. Step 6: Final answer
    x = 59,699.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.