Home / 90,055.75-124,277.33-49,220.71

Finding the Fourth Proportional to 90,055.75, 124,277.33 and 49,220.71

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Solution

The fourth proportional to 90,055.75, 124,277.33 and 49,220.71 is: 67,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,055.75 : 124,277.33 = 49,220.71 : x
  2. Step 2: Convert to fraction form
    90,055.75/124,277.33 = 49,220.71/x
  3. Step 3: Cross multiply
    90,055.75x = 124,277.33 × 49,220.71
  4. Step 4: Simplify right side
    90,055.75x = 6,117,018,419.50
  5. Step 5: Solve for x
    x = 6,117,018,419.50/90,055.75
  6. Step 6: Final answer
    x = 67,924.80

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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.