Home / 110,878.77-152,990.06-63,119.55

Finding the Fourth Proportional to 110,878.77, 152,990.06 and 63,119.55

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Solution

The fourth proportional to 110,878.77, 152,990.06 and 63,119.55 is: 87,092.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,878.77 : 152,990.06 = 63,119.55 : x
  2. Step 2: Convert to fraction form
    110,878.77/152,990.06 = 63,119.55/x
  3. Step 3: Cross multiply
    110,878.77x = 152,990.06 × 63,119.55
  4. Step 4: Simplify right side
    110,878.77x = 9,656,663,426.08
  5. Step 5: Solve for x
    x = 9,656,663,426.08/110,878.77
  6. Step 6: Final answer
    x = 87,092.09

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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.