Home / 115,715.86-173,511.35-52,501.48

Finding the Fourth Proportional to 115,715.86, 173,511.35 and 52,501.48

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Solution

The fourth proportional to 115,715.86, 173,511.35 and 52,501.48 is: 78,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,715.86 : 173,511.35 = 52,501.48 : x
  2. Step 2: Convert to fraction form
    115,715.86/173,511.35 = 52,501.48/x
  3. Step 3: Cross multiply
    115,715.86x = 173,511.35 × 52,501.48
  4. Step 4: Simplify right side
    115,715.86x = 9,109,602,671.80
  5. Step 5: Solve for x
    x = 9,109,602,671.80/115,715.86
  6. Step 6: Final answer
    x = 78,723.89

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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.