Home / 90,050.24-124,269.60-49,763.84

Finding the Fourth Proportional to 90,050.24, 124,269.60 and 49,763.84

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Solution

The fourth proportional to 90,050.24, 124,269.60 and 49,763.84 is: 68,674.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,050.24 : 124,269.60 = 49,763.84 : x
  2. Step 2: Convert to fraction form
    90,050.24/124,269.60 = 49,763.84/x
  3. Step 3: Cross multiply
    90,050.24x = 124,269.60 × 49,763.84
  4. Step 4: Simplify right side
    90,050.24x = 6,184,132,491.26
  5. Step 5: Solve for x
    x = 6,184,132,491.26/90,050.24
  6. Step 6: Final answer
    x = 68,674.25

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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.