Home / 88,013.07-121,456.98-47,726.35

Finding the Fourth Proportional to 88,013.07, 121,456.98 and 47,726.35

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Solution

The fourth proportional to 88,013.07, 121,456.98 and 47,726.35 is: 65,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,013.07 : 121,456.98 = 47,726.35 : x
  2. Step 2: Convert to fraction form
    88,013.07/121,456.98 = 47,726.35/x
  3. Step 3: Cross multiply
    88,013.07x = 121,456.98 × 47,726.35
  4. Step 4: Simplify right side
    88,013.07x = 5,796,698,098.79
  5. Step 5: Solve for x
    x = 5,796,698,098.79/88,013.07
  6. Step 6: Final answer
    x = 65,861.79

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1.5x scale

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.