Home / 57,210.20-78,937.20-34,552.88

Finding the Fourth Proportional to 57,210.20, 78,937.20 and 34,552.88

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Solution

The fourth proportional to 57,210.20, 78,937.20 and 34,552.88 is: 47,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,210.20 : 78,937.20 = 34,552.88 : x
  2. Step 2: Convert to fraction form
    57,210.20/78,937.20 = 34,552.88/x
  3. Step 3: Cross multiply
    57,210.20x = 78,937.20 × 34,552.88
  4. Step 4: Simplify right side
    57,210.20x = 2,727,507,599.14
  5. Step 5: Solve for x
    x = 2,727,507,599.14/57,210.20
  6. Step 6: Final answer
    x = 47,675.20

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1.5x scale

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.