Home / 90,719.91-125,193.33-50,437.40

Finding the Fourth Proportional to 90,719.91, 125,193.33 and 50,437.40

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Solution

The fourth proportional to 90,719.91, 125,193.33 and 50,437.40 is: 69,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,719.91 : 125,193.33 = 50,437.40 : x
  2. Step 2: Convert to fraction form
    90,719.91/125,193.33 = 50,437.40/x
  3. Step 3: Cross multiply
    90,719.91x = 125,193.33 × 50,437.40
  4. Step 4: Simplify right side
    90,719.91x = 6,314,425,436.58
  5. Step 5: Solve for x
    x = 6,314,425,436.58/90,719.91
  6. Step 6: Final answer
    x = 69,603.52

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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.