Home / 90,724.40-125,185.08-50,437.52

Finding the Fourth Proportional to 90,724.40, 125,185.08 and 50,437.52

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Solution

The fourth proportional to 90,724.40, 125,185.08 and 50,437.52 is: 69,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,724.40 : 125,185.08 = 50,437.52 : x
  2. Step 2: Convert to fraction form
    90,724.40/125,185.08 = 50,437.52/x
  3. Step 3: Cross multiply
    90,724.40x = 125,185.08 × 50,437.52
  4. Step 4: Simplify right side
    90,724.40x = 6,314,024,976.20
  5. Step 5: Solve for x
    x = 6,314,024,976.20/90,724.40
  6. Step 6: Final answer
    x = 69,595.67

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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.