Home / 90,376.56-124,720.58-50,091.22

Finding the Fourth Proportional to 90,376.56, 124,720.58 and 50,091.22

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Solution

The fourth proportional to 90,376.56, 124,720.58 and 50,091.22 is: 69,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,376.56 : 124,720.58 = 50,091.22 : x
  2. Step 2: Convert to fraction form
    90,376.56/124,720.58 = 50,091.22/x
  3. Step 3: Cross multiply
    90,376.56x = 124,720.58 × 50,091.22
  4. Step 4: Simplify right side
    90,376.56x = 6,247,406,011.31
  5. Step 5: Solve for x
    x = 6,247,406,011.31/90,376.56
  6. Step 6: Final answer
    x = 69,126.40

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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.