Home / 90,243.19-124,534.09-49,956.10

Finding the Fourth Proportional to 90,243.19, 124,534.09 and 49,956.10

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Solution

The fourth proportional to 90,243.19, 124,534.09 and 49,956.10 is: 68,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,243.19 : 124,534.09 = 49,956.10 : x
  2. Step 2: Convert to fraction form
    90,243.19/124,534.09 = 49,956.10/x
  3. Step 3: Cross multiply
    90,243.19x = 124,534.09 × 49,956.10
  4. Step 4: Simplify right side
    90,243.19x = 6,221,237,453.45
  5. Step 5: Solve for x
    x = 6,221,237,453.45/90,243.19
  6. Step 6: Final answer
    x = 68,938.58

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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.