Home / 107,043.18-147,728.60-59,300.97

Finding the Fourth Proportional to 107,043.18, 147,728.60 and 59,300.97

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Solution

The fourth proportional to 107,043.18, 147,728.60 and 59,300.97 is: 81,840.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,043.18 : 147,728.60 = 59,300.97 : x
  2. Step 2: Convert to fraction form
    107,043.18/147,728.60 = 59,300.97/x
  3. Step 3: Cross multiply
    107,043.18x = 147,728.60 × 59,300.97
  4. Step 4: Simplify right side
    107,043.18x = 8,760,449,276.74
  5. Step 5: Solve for x
    x = 8,760,449,276.74/107,043.18
  6. Step 6: Final answer
    x = 81,840.33

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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.