Home / 53,112.60-79,682.57-15,671.16

Finding the Fourth Proportional to 53,112.60, 79,682.57 and 15,671.16

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Solution

The fourth proportional to 53,112.60, 79,682.57 and 15,671.16 is: 23,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.60 : 79,682.57 = 15,671.16 : x
  2. Step 2: Convert to fraction form
    53,112.60/79,682.57 = 15,671.16/x
  3. Step 3: Cross multiply
    53,112.60x = 79,682.57 × 15,671.16
  4. Step 4: Simplify right side
    53,112.60x = 1,248,718,225.33
  5. Step 5: Solve for x
    x = 1,248,718,225.33/53,112.60
  6. Step 6: Final answer
    x = 23,510.77

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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.