Home / 80,854.05-121,133.29-58,612.26

Finding the Fourth Proportional to 80,854.05, 121,133.29 and 58,612.26

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Solution

The fourth proportional to 80,854.05, 121,133.29 and 58,612.26 is: 87,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,854.05 : 121,133.29 = 58,612.26 : x
  2. Step 2: Convert to fraction form
    80,854.05/121,133.29 = 58,612.26/x
  3. Step 3: Cross multiply
    80,854.05x = 121,133.29 × 58,612.26
  4. Step 4: Simplify right side
    80,854.05x = 7,099,895,595.07
  5. Step 5: Solve for x
    x = 7,099,895,595.07/80,854.05
  6. Step 6: Final answer
    x = 87,811.25

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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.