Home / 87,548.04-120,807.05-49,301.46

Finding the Fourth Proportional to 87,548.04, 120,807.05 and 49,301.46

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Solution

The fourth proportional to 87,548.04, 120,807.05 and 49,301.46 is: 68,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,548.04 : 120,807.05 = 49,301.46 : x
  2. Step 2: Convert to fraction form
    87,548.04/120,807.05 = 49,301.46/x
  3. Step 3: Cross multiply
    87,548.04x = 120,807.05 × 49,301.46
  4. Step 4: Simplify right side
    87,548.04x = 5,955,963,696.79
  5. Step 5: Solve for x
    x = 5,955,963,696.79/87,548.04
  6. Step 6: Final answer
    x = 68,030.81

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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.