Home / 88,039.35-121,493.41-47,752.25

Finding the Fourth Proportional to 88,039.35, 121,493.41 and 47,752.25

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Solution

The fourth proportional to 88,039.35, 121,493.41 and 47,752.25 is: 65,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,039.35 : 121,493.41 = 47,752.25 : x
  2. Step 2: Convert to fraction form
    88,039.35/121,493.41 = 47,752.25/x
  3. Step 3: Cross multiply
    88,039.35x = 121,493.41 × 47,752.25
  4. Step 4: Simplify right side
    88,039.35x = 5,801,583,807.05
  5. Step 5: Solve for x
    x = 5,801,583,807.05/88,039.35
  6. Step 6: Final answer
    x = 65,897.62

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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.