Home / 88,164.77-121,664.03-47,877.66

Finding the Fourth Proportional to 88,164.77, 121,664.03 and 47,877.66

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Solution

The fourth proportional to 88,164.77, 121,664.03 and 47,877.66 is: 66,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,164.77 : 121,664.03 = 47,877.66 : x
  2. Step 2: Convert to fraction form
    88,164.77/121,664.03 = 47,877.66/x
  3. Step 3: Cross multiply
    88,164.77x = 121,664.03 × 47,877.66
  4. Step 4: Simplify right side
    88,164.77x = 5,824,988,823.18
  5. Step 5: Solve for x
    x = 5,824,988,823.18/88,164.77
  6. Step 6: Final answer
    x = 66,069.35

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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.