Home / 109,780.46-151,497.04-59,479.46

Finding the Fourth Proportional to 109,780.46, 151,497.04 and 59,479.46

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Solution

The fourth proportional to 109,780.46, 151,497.04 and 59,479.46 is: 82,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,780.46 : 151,497.04 = 59,479.46 : x
  2. Step 2: Convert to fraction form
    109,780.46/151,497.04 = 59,479.46/x
  3. Step 3: Cross multiply
    109,780.46x = 151,497.04 × 59,479.46
  4. Step 4: Simplify right side
    109,780.46x = 9,010,962,130.80
  5. Step 5: Solve for x
    x = 9,010,962,130.80/109,780.46
  6. Step 6: Final answer
    x = 82,081.66

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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.