Home / 90,075.38-124,304.02-50,331.38

Finding the Fourth Proportional to 90,075.38, 124,304.02 and 50,331.38

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Solution

The fourth proportional to 90,075.38, 124,304.02 and 50,331.38 is: 69,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,075.38 : 124,304.02 = 50,331.38 : x
  2. Step 2: Convert to fraction form
    90,075.38/124,304.02 = 50,331.38/x
  3. Step 3: Cross multiply
    90,075.38x = 124,304.02 × 50,331.38
  4. Step 4: Simplify right side
    90,075.38x = 6,256,392,118.80
  5. Step 5: Solve for x
    x = 6,256,392,118.80/90,075.38
  6. Step 6: Final answer
    x = 69,457.30

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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.