Home / 57,097.20-85,645.80-14,977.20

Finding the Fourth Proportional to 57,097.20, 85,645.80 and 14,977.20

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Solution

The fourth proportional to 57,097.20, 85,645.80 and 14,977.20 is: 22,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,097.20 : 85,645.80 = 14,977.20 : x
  2. Step 2: Convert to fraction form
    57,097.20/85,645.80 = 14,977.20/x
  3. Step 3: Cross multiply
    57,097.20x = 85,645.80 × 14,977.20
  4. Step 4: Simplify right side
    57,097.20x = 1,282,734,275.76
  5. Step 5: Solve for x
    x = 1,282,734,275.76/57,097.20
  6. Step 6: Final answer
    x = 22,465.80

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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.