Home / 90,503.91-124,902.23-50,225.28

Finding the Fourth Proportional to 90,503.91, 124,902.23 and 50,225.28

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Solution

The fourth proportional to 90,503.91, 124,902.23 and 50,225.28 is: 69,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,503.91 : 124,902.23 = 50,225.28 : x
  2. Step 2: Convert to fraction form
    90,503.91/124,902.23 = 50,225.28/x
  3. Step 3: Cross multiply
    90,503.91x = 124,902.23 × 50,225.28
  4. Step 4: Simplify right side
    90,503.91x = 6,273,249,223.25
  5. Step 5: Solve for x
    x = 6,273,249,223.25/90,503.91
  6. Step 6: Final answer
    x = 69,314.68

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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.