Home / 101,686.04-140,324.36-58,665.66

Finding the Fourth Proportional to 101,686.04, 140,324.36 and 58,665.66

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Solution

The fourth proportional to 101,686.04, 140,324.36 and 58,665.66 is: 80,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,686.04 : 140,324.36 = 58,665.66 : x
  2. Step 2: Convert to fraction form
    101,686.04/140,324.36 = 58,665.66/x
  3. Step 3: Cross multiply
    101,686.04x = 140,324.36 × 58,665.66
  4. Step 4: Simplify right side
    101,686.04x = 8,232,221,193.48
  5. Step 5: Solve for x
    x = 8,232,221,193.48/101,686.04
  6. Step 6: Final answer
    x = 80,957.24

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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.