Home / 107,519.40-148,378.62-59,123.40

Finding the Fourth Proportional to 107,519.40, 148,378.62 and 59,123.40

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Solution

The fourth proportional to 107,519.40, 148,378.62 and 59,123.40 is: 81,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,519.40 : 148,378.62 = 59,123.40 : x
  2. Step 2: Convert to fraction form
    107,519.40/148,378.62 = 59,123.40/x
  3. Step 3: Cross multiply
    107,519.40x = 148,378.62 × 59,123.40
  4. Step 4: Simplify right side
    107,519.40x = 8,772,648,501.71
  5. Step 5: Solve for x
    x = 8,772,648,501.71/107,519.40
  6. Step 6: Final answer
    x = 81,591.31

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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.