Home / 67,689.32-101,534.18-23,315.49

Finding the Fourth Proportional to 67,689.32, 101,534.18 and 23,315.49

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Solution

The fourth proportional to 67,689.32, 101,534.18 and 23,315.49 is: 34,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,689.32 : 101,534.18 = 23,315.49 : x
  2. Step 2: Convert to fraction form
    67,689.32/101,534.18 = 23,315.49/x
  3. Step 3: Cross multiply
    67,689.32x = 101,534.18 × 23,315.49
  4. Step 4: Simplify right side
    67,689.32x = 2,367,319,041.87
  5. Step 5: Solve for x
    x = 2,367,319,041.87/67,689.32
  6. Step 6: Final answer
    x = 34,973.30

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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.