Home / 83,529.09-115,268.85-45,287.87

Finding the Fourth Proportional to 83,529.09, 115,268.85 and 45,287.87

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Solution

The fourth proportional to 83,529.09, 115,268.85 and 45,287.87 is: 62,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,529.09 : 115,268.85 = 45,287.87 : x
  2. Step 2: Convert to fraction form
    83,529.09/115,268.85 = 45,287.87/x
  3. Step 3: Cross multiply
    83,529.09x = 115,268.85 × 45,287.87
  4. Step 4: Simplify right side
    83,529.09x = 5,220,280,117.51
  5. Step 5: Solve for x
    x = 5,220,280,117.51/83,529.09
  6. Step 6: Final answer
    x = 62,496.55

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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.