Home / 53,953.60-74,456.28-30,081.76

Finding the Fourth Proportional to 53,953.60, 74,456.28 and 30,081.76

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Solution

The fourth proportional to 53,953.60, 74,456.28 and 30,081.76 is: 41,513.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,953.60 : 74,456.28 = 30,081.76 : x
  2. Step 2: Convert to fraction form
    53,953.60/74,456.28 = 30,081.76/x
  3. Step 3: Cross multiply
    53,953.60x = 74,456.28 × 30,081.76
  4. Step 4: Simplify right side
    53,953.60x = 2,239,775,945.45
  5. Step 5: Solve for x
    x = 2,239,775,945.45/53,953.60
  6. Step 6: Final answer
    x = 41,513.00

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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.