Home / 102,426.52-153,671.10-52,541.86

Finding the Fourth Proportional to 102,426.52, 153,671.10 and 52,541.86

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Solution

The fourth proportional to 102,426.52, 153,671.10 and 52,541.86 is: 78,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,426.52 : 153,671.10 = 52,541.86 : x
  2. Step 2: Convert to fraction form
    102,426.52/153,671.10 = 52,541.86/x
  3. Step 3: Cross multiply
    102,426.52x = 153,671.10 × 52,541.86
  4. Step 4: Simplify right side
    102,426.52x = 8,074,165,422.25
  5. Step 5: Solve for x
    x = 8,074,165,422.25/102,426.52
  6. Step 6: Final answer
    x = 78,828.86

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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.