Home / 45,159.12-67,752.32-17,087.76

Finding the Fourth Proportional to 45,159.12, 67,752.32 and 17,087.76

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Solution

The fourth proportional to 45,159.12, 67,752.32 and 17,087.76 is: 25,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,159.12 : 67,752.32 = 17,087.76 : x
  2. Step 2: Convert to fraction form
    45,159.12/67,752.32 = 17,087.76/x
  3. Step 3: Cross multiply
    45,159.12x = 67,752.32 × 17,087.76
  4. Step 4: Simplify right side
    45,159.12x = 1,157,735,298.16
  5. Step 5: Solve for x
    x = 1,157,735,298.16/45,159.12
  6. Step 6: Final answer
    x = 25,636.80

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1.5x scale

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.