Home / 80,810.33-121,222.51-24,663.08

Finding the Fourth Proportional to 80,810.33, 121,222.51 and 24,663.08

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Solution

The fourth proportional to 80,810.33, 121,222.51 and 24,663.08 is: 36,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,810.33 : 121,222.51 = 24,663.08 : x
  2. Step 2: Convert to fraction form
    80,810.33/121,222.51 = 24,663.08/x
  3. Step 3: Cross multiply
    80,810.33x = 121,222.51 × 24,663.08
  4. Step 4: Simplify right side
    80,810.33x = 2,989,720,703.33
  5. Step 5: Solve for x
    x = 2,989,720,703.33/80,810.33
  6. Step 6: Final answer
    x = 36,996.77

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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.