Home / 76,845.78-106,036.56-45,024.66

Finding the Fourth Proportional to 76,845.78, 106,036.56 and 45,024.66

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Solution

The fourth proportional to 76,845.78, 106,036.56 and 45,024.66 is: 62,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,845.78 : 106,036.56 = 45,024.66 : x
  2. Step 2: Convert to fraction form
    76,845.78/106,036.56 = 45,024.66/x
  3. Step 3: Cross multiply
    76,845.78x = 106,036.56 × 45,024.66
  4. Step 4: Simplify right side
    76,845.78x = 4,774,260,061.57
  5. Step 5: Solve for x
    x = 4,774,260,061.57/76,845.78
  6. Step 6: Final answer
    x = 62,127.81

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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.