Home / 90,863.47-125,395.29-50,574.68

Finding the Fourth Proportional to 90,863.47, 125,395.29 and 50,574.68

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Solution

The fourth proportional to 90,863.47, 125,395.29 and 50,574.68 is: 69,795.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,863.47 : 125,395.29 = 50,574.68 : x
  2. Step 2: Convert to fraction form
    90,863.47/125,395.29 = 50,574.68/x
  3. Step 3: Cross multiply
    90,863.47x = 125,395.29 × 50,574.68
  4. Step 4: Simplify right side
    90,863.47x = 6,341,826,508.51
  5. Step 5: Solve for x
    x = 6,341,826,508.51/90,863.47
  6. Step 6: Final answer
    x = 69,795.12

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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.