Home / 80,851.02-111,574.47-45,041.12

Finding the Fourth Proportional to 80,851.02, 111,574.47 and 45,041.12

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Solution

The fourth proportional to 80,851.02, 111,574.47 and 45,041.12 is: 62,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,851.02 : 111,574.47 = 45,041.12 : x
  2. Step 2: Convert to fraction form
    80,851.02/111,574.47 = 45,041.12/x
  3. Step 3: Cross multiply
    80,851.02x = 111,574.47 × 45,041.12
  4. Step 4: Simplify right side
    80,851.02x = 5,025,438,534.33
  5. Step 5: Solve for x
    x = 5,025,438,534.33/80,851.02
  6. Step 6: Final answer
    x = 62,156.77

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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.