Home / 115,474.41-159,345.63-64,483.19

Finding the Fourth Proportional to 115,474.41, 159,345.63 and 64,483.19

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Solution

The fourth proportional to 115,474.41, 159,345.63 and 64,483.19 is: 88,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,474.41 : 159,345.63 = 64,483.19 : x
  2. Step 2: Convert to fraction form
    115,474.41/159,345.63 = 64,483.19/x
  3. Step 3: Cross multiply
    115,474.41x = 159,345.63 × 64,483.19
  4. Step 4: Simplify right side
    115,474.41x = 10,275,114,335.78
  5. Step 5: Solve for x
    x = 10,275,114,335.78/115,474.41
  6. Step 6: Final answer
    x = 88,981.74

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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.