Home / 87,705.41-121,088.81-60,838.52

Finding the Fourth Proportional to 87,705.41, 121,088.81 and 60,838.52

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Solution

The fourth proportional to 87,705.41, 121,088.81 and 60,838.52 is: 83,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,705.41 : 121,088.81 = 60,838.52 : x
  2. Step 2: Convert to fraction form
    87,705.41/121,088.81 = 60,838.52/x
  3. Step 3: Cross multiply
    87,705.41x = 121,088.81 × 60,838.52
  4. Step 4: Simplify right side
    87,705.41x = 7,366,863,684.77
  5. Step 5: Solve for x
    x = 7,366,863,684.77/87,705.41
  6. Step 6: Final answer
    x = 83,995.54

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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.