Home / 81,236.98-112,117.53-53,024.68

Finding the Fourth Proportional to 81,236.98, 112,117.53 and 53,024.68

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Solution

The fourth proportional to 81,236.98, 112,117.53 and 53,024.68 is: 73,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,236.98 : 112,117.53 = 53,024.68 : x
  2. Step 2: Convert to fraction form
    81,236.98/112,117.53 = 53,024.68/x
  3. Step 3: Cross multiply
    81,236.98x = 112,117.53 × 53,024.68
  4. Step 4: Simplify right side
    81,236.98x = 5,944,996,150.64
  5. Step 5: Solve for x
    x = 5,944,996,150.64/81,236.98
  6. Step 6: Final answer
    x = 73,180.91

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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.