Home / 90,778.84-125,270.76-52,532.26

Finding the Fourth Proportional to 90,778.84, 125,270.76 and 52,532.26

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Solution

The fourth proportional to 90,778.84, 125,270.76 and 52,532.26 is: 72,492.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,778.84 : 125,270.76 = 52,532.26 : x
  2. Step 2: Convert to fraction form
    90,778.84/125,270.76 = 52,532.26/x
  3. Step 3: Cross multiply
    90,778.84x = 125,270.76 × 52,532.26
  4. Step 4: Simplify right side
    90,778.84x = 6,580,756,134.72
  5. Step 5: Solve for x
    x = 6,580,756,134.72/90,778.84
  6. Step 6: Final answer
    x = 72,492.18

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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.