Home / 90,330.71-124,646.29-50,034.48

Finding the Fourth Proportional to 90,330.71, 124,646.29 and 50,034.48

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Solution

The fourth proportional to 90,330.71, 124,646.29 and 50,034.48 is: 69,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,330.71 : 124,646.29 = 50,034.48 : x
  2. Step 2: Convert to fraction form
    90,330.71/124,646.29 = 50,034.48/x
  3. Step 3: Cross multiply
    90,330.71x = 124,646.29 × 50,034.48
  4. Step 4: Simplify right side
    90,330.71x = 6,236,611,993.01
  5. Step 5: Solve for x
    x = 6,236,611,993.01/90,330.71
  6. Step 6: Final answer
    x = 69,041.99

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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.