Home / 90,771.31-125,256.95-52,533.65

Finding the Fourth Proportional to 90,771.31, 125,256.95 and 52,533.65

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Solution

The fourth proportional to 90,771.31, 125,256.95 and 52,533.65 is: 72,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,771.31 : 125,256.95 = 52,533.65 : x
  2. Step 2: Convert to fraction form
    90,771.31/125,256.95 = 52,533.65/x
  3. Step 3: Cross multiply
    90,771.31x = 125,256.95 × 52,533.65
  4. Step 4: Simplify right side
    90,771.31x = 6,580,204,821.84
  5. Step 5: Solve for x
    x = 6,580,204,821.84/90,771.31
  6. Step 6: Final answer
    x = 72,492.12

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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.