Home / 74,947.76-112,460.52-54,341.36

Finding the Fourth Proportional to 74,947.76, 112,460.52 and 54,341.36

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Solution

The fourth proportional to 74,947.76, 112,460.52 and 54,341.36 is: 81,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,947.76 : 112,460.52 = 54,341.36 : x
  2. Step 2: Convert to fraction form
    74,947.76/112,460.52 = 54,341.36/x
  3. Step 3: Cross multiply
    74,947.76x = 112,460.52 × 54,341.36
  4. Step 4: Simplify right side
    74,947.76x = 6,111,257,603.11
  5. Step 5: Solve for x
    x = 6,111,257,603.11/74,947.76
  6. Step 6: Final answer
    x = 81,540.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.