Home / 80,746.93-111,315.27-56,799.28

Finding the Fourth Proportional to 80,746.93, 111,315.27 and 56,799.28

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Solution

The fourth proportional to 80,746.93, 111,315.27 and 56,799.28 is: 78,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,746.93 : 111,315.27 = 56,799.28 : x
  2. Step 2: Convert to fraction form
    80,746.93/111,315.27 = 56,799.28/x
  3. Step 3: Cross multiply
    80,746.93x = 111,315.27 × 56,799.28
  4. Step 4: Simplify right side
    80,746.93x = 6,322,627,189.01
  5. Step 5: Solve for x
    x = 6,322,627,189.01/80,746.93
  6. Step 6: Final answer
    x = 78,301.77

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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.