Home / 90,666.67-125,123.31-50,384.41

Finding the Fourth Proportional to 90,666.67, 125,123.31 and 50,384.41

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Solution

The fourth proportional to 90,666.67, 125,123.31 and 50,384.41 is: 69,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,666.67 : 125,123.31 = 50,384.41 : x
  2. Step 2: Convert to fraction form
    90,666.67/125,123.31 = 50,384.41/x
  3. Step 3: Cross multiply
    90,666.67x = 125,123.31 × 50,384.41
  4. Step 4: Simplify right side
    90,666.67x = 6,304,264,151.60
  5. Step 5: Solve for x
    x = 6,304,264,151.60/90,666.67
  6. Step 6: Final answer
    x = 69,532.32

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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.