Home / 90,301.16-124,615.46-50,557.16

Finding the Fourth Proportional to 90,301.16, 124,615.46 and 50,557.16

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Solution

The fourth proportional to 90,301.16, 124,615.46 and 50,557.16 is: 69,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,301.16 : 124,615.46 = 50,557.16 : x
  2. Step 2: Convert to fraction form
    90,301.16/124,615.46 = 50,557.16/x
  3. Step 3: Cross multiply
    90,301.16x = 124,615.46 × 50,557.16
  4. Step 4: Simplify right side
    90,301.16x = 6,300,203,749.69
  5. Step 5: Solve for x
    x = 6,300,203,749.69/90,301.16
  6. Step 6: Final answer
    x = 69,768.80

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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.