Home / 57,219.02-85,842.80-40,384.92

Finding the Fourth Proportional to 57,219.02, 85,842.80 and 40,384.92

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Solution

The fourth proportional to 57,219.02, 85,842.80 and 40,384.92 is: 60,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.02 : 85,842.80 = 40,384.92 : x
  2. Step 2: Convert to fraction form
    57,219.02/85,842.80 = 40,384.92/x
  3. Step 3: Cross multiply
    57,219.02x = 85,842.80 × 40,384.92
  4. Step 4: Simplify right side
    57,219.02x = 3,466,754,711.54
  5. Step 5: Solve for x
    x = 3,466,754,711.54/57,219.02
  6. Step 6: Final answer
    x = 60,587.46

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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.