Home / 107,740.04-148,685.64-59,990.36

Finding the Fourth Proportional to 107,740.04, 148,685.64 and 59,990.36

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Solution

The fourth proportional to 107,740.04, 148,685.64 and 59,990.36 is: 82,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,740.04 : 148,685.64 = 59,990.36 : x
  2. Step 2: Convert to fraction form
    107,740.04/148,685.64 = 59,990.36/x
  3. Step 3: Cross multiply
    107,740.04x = 148,685.64 × 59,990.36
  4. Step 4: Simplify right side
    107,740.04x = 8,919,705,070.43
  5. Step 5: Solve for x
    x = 8,919,705,070.43/107,740.04
  6. Step 6: Final answer
    x = 82,789.14

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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.