Home / 90,076.48-124,222.88-54,204.24

Finding the Fourth Proportional to 90,076.48, 124,222.88 and 54,204.24

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Solution

The fourth proportional to 90,076.48, 124,222.88 and 54,204.24 is: 74,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,076.48 : 124,222.88 = 54,204.24 : x
  2. Step 2: Convert to fraction form
    90,076.48/124,222.88 = 54,204.24/x
  3. Step 3: Cross multiply
    90,076.48x = 124,222.88 × 54,204.24
  4. Step 4: Simplify right side
    90,076.48x = 6,733,406,801.01
  5. Step 5: Solve for x
    x = 6,733,406,801.01/90,076.48
  6. Step 6: Final answer
    x = 74,752.11

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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.