Home / 80,878.50-121,341.65-41,463.23

Finding the Fourth Proportional to 80,878.50, 121,341.65 and 41,463.23

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Solution

The fourth proportional to 80,878.50, 121,341.65 and 41,463.23 is: 62,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,878.50 : 121,341.65 = 41,463.23 : x
  2. Step 2: Convert to fraction form
    80,878.50/121,341.65 = 41,463.23/x
  3. Step 3: Cross multiply
    80,878.50x = 121,341.65 × 41,463.23
  4. Step 4: Simplify right side
    80,878.50x = 5,031,215,928.51
  5. Step 5: Solve for x
    x = 5,031,215,928.51/80,878.50
  6. Step 6: Final answer
    x = 62,207.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.