Home / 57,525.28-86,210.88-42,612.64

Finding the Fourth Proportional to 57,525.28, 86,210.88 and 42,612.64

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Solution

The fourth proportional to 57,525.28, 86,210.88 and 42,612.64 is: 63,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,525.28 : 86,210.88 = 42,612.64 : x
  2. Step 2: Convert to fraction form
    57,525.28/86,210.88 = 42,612.64/x
  3. Step 3: Cross multiply
    57,525.28x = 86,210.88 × 42,612.64
  4. Step 4: Simplify right side
    57,525.28x = 3,673,673,193.52
  5. Step 5: Solve for x
    x = 3,673,673,193.52/57,525.28
  6. Step 6: Final answer
    x = 63,861.89

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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.