Home / 90,343.68-124,669.05-50,055.05

Finding the Fourth Proportional to 90,343.68, 124,669.05 and 50,055.05

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Solution

The fourth proportional to 90,343.68, 124,669.05 and 50,055.05 is: 69,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,343.68 : 124,669.05 = 50,055.05 : x
  2. Step 2: Convert to fraction form
    90,343.68/124,669.05 = 50,055.05/x
  3. Step 3: Cross multiply
    90,343.68x = 124,669.05 × 50,055.05
  4. Step 4: Simplify right side
    90,343.68x = 6,240,315,531.20
  5. Step 5: Solve for x
    x = 6,240,315,531.20/90,343.68
  6. Step 6: Final answer
    x = 69,073.07

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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.