Home / 107,036.86-147,639.67-68,844.74

Finding the Fourth Proportional to 107,036.86, 147,639.67 and 68,844.74

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Solution

The fourth proportional to 107,036.86, 147,639.67 and 68,844.74 is: 94,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,036.86 : 147,639.67 = 68,844.74 : x
  2. Step 2: Convert to fraction form
    107,036.86/147,639.67 = 68,844.74/x
  3. Step 3: Cross multiply
    107,036.86x = 147,639.67 × 68,844.74
  4. Step 4: Simplify right side
    107,036.86x = 10,164,213,784.53
  5. Step 5: Solve for x
    x = 10,164,213,784.53/107,036.86
  6. Step 6: Final answer
    x = 94,959.94

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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.