Home / 67,521.40-101,345.64-34,265.32

Finding the Fourth Proportional to 67,521.40, 101,345.64 and 34,265.32

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Solution

The fourth proportional to 67,521.40, 101,345.64 and 34,265.32 is: 51,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,521.40 : 101,345.64 = 34,265.32 : x
  2. Step 2: Convert to fraction form
    67,521.40/101,345.64 = 34,265.32/x
  3. Step 3: Cross multiply
    67,521.40x = 101,345.64 × 34,265.32
  4. Step 4: Simplify right side
    67,521.40x = 3,472,640,785.20
  5. Step 5: Solve for x
    x = 3,472,640,785.20/67,521.40
  6. Step 6: Final answer
    x = 51,430.22

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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.