Home / 74,951.06-103,436.46-43,124.81

Finding the Fourth Proportional to 74,951.06, 103,436.46 and 43,124.81

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Solution

The fourth proportional to 74,951.06, 103,436.46 and 43,124.81 is: 59,514.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,951.06 : 103,436.46 = 43,124.81 : x
  2. Step 2: Convert to fraction form
    74,951.06/103,436.46 = 43,124.81/x
  3. Step 3: Cross multiply
    74,951.06x = 103,436.46 × 43,124.81
  4. Step 4: Simplify right side
    74,951.06x = 4,460,677,167.39
  5. Step 5: Solve for x
    x = 4,460,677,167.39/74,951.06
  6. Step 6: Final answer
    x = 59,514.53

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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.