Home / 107,420.88-148,240.71-59,678.70

Finding the Fourth Proportional to 107,420.88, 148,240.71 and 59,678.70

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Solution

The fourth proportional to 107,420.88, 148,240.71 and 59,678.70 is: 82,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,420.88 : 148,240.71 = 59,678.70 : x
  2. Step 2: Convert to fraction form
    107,420.88/148,240.71 = 59,678.70/x
  3. Step 3: Cross multiply
    107,420.88x = 148,240.71 × 59,678.70
  4. Step 4: Simplify right side
    107,420.88x = 8,846,812,859.88
  5. Step 5: Solve for x
    x = 8,846,812,859.88/107,420.88
  6. Step 6: Final answer
    x = 82,356.55

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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.