Home / 92,833.74-128,063.97-62,580.78

Finding the Fourth Proportional to 92,833.74, 128,063.97 and 62,580.78

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Solution

The fourth proportional to 92,833.74, 128,063.97 and 62,580.78 is: 86,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,833.74 : 128,063.97 = 62,580.78 : x
  2. Step 2: Convert to fraction form
    92,833.74/128,063.97 = 62,580.78/x
  3. Step 3: Cross multiply
    92,833.74x = 128,063.97 × 62,580.78
  4. Step 4: Simplify right side
    92,833.74x = 8,014,343,132.50
  5. Step 5: Solve for x
    x = 8,014,343,132.50/92,833.74
  6. Step 6: Final answer
    x = 86,330.07

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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.