Home / 90,510.09-124,890.41-50,223.74

Finding the Fourth Proportional to 90,510.09, 124,890.41 and 50,223.74

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Solution

The fourth proportional to 90,510.09, 124,890.41 and 50,223.74 is: 69,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,510.09 : 124,890.41 = 50,223.74 : x
  2. Step 2: Convert to fraction form
    90,510.09/124,890.41 = 50,223.74/x
  3. Step 3: Cross multiply
    90,510.09x = 124,890.41 × 50,223.74
  4. Step 4: Simplify right side
    90,510.09x = 6,272,462,604.76
  5. Step 5: Solve for x
    x = 6,272,462,604.76/90,510.09
  6. Step 6: Final answer
    x = 69,301.25

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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.