Home / 45,543.02-67,861.79-40,574.48

Finding the Fourth Proportional to 45,543.02, 67,861.79 and 40,574.48

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Solution

The fourth proportional to 45,543.02, 67,861.79 and 40,574.48 is: 60,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.02 : 67,861.79 = 40,574.48 : x
  2. Step 2: Convert to fraction form
    45,543.02/67,861.79 = 40,574.48/x
  3. Step 3: Cross multiply
    45,543.02x = 67,861.79 × 40,574.48
  4. Step 4: Simplify right side
    45,543.02x = 2,753,456,298.94
  5. Step 5: Solve for x
    x = 2,753,456,298.94/45,543.02
  6. Step 6: Final answer
    x = 60,458.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.