Home / 107,451.60-148,280.25-59,703.72

Finding the Fourth Proportional to 107,451.60, 148,280.25 and 59,703.72

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Solution

The fourth proportional to 107,451.60, 148,280.25 and 59,703.72 is: 82,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,451.60 : 148,280.25 = 59,703.72 : x
  2. Step 2: Convert to fraction form
    107,451.60/148,280.25 = 59,703.72/x
  3. Step 3: Cross multiply
    107,451.60x = 148,280.25 × 59,703.72
  4. Step 4: Simplify right side
    107,451.60x = 8,852,882,195.37
  5. Step 5: Solve for x
    x = 8,852,882,195.37/107,451.60
  6. Step 6: Final answer
    x = 82,389.49

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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.