Home / 88,249.53-121,782.63-47,962.56

Finding the Fourth Proportional to 88,249.53, 121,782.63 and 47,962.56

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Solution

The fourth proportional to 88,249.53, 121,782.63 and 47,962.56 is: 66,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.53 : 121,782.63 = 47,962.56 : x
  2. Step 2: Convert to fraction form
    88,249.53/121,782.63 = 47,962.56/x
  3. Step 3: Cross multiply
    88,249.53x = 121,782.63 × 47,962.56
  4. Step 4: Simplify right side
    88,249.53x = 5,841,006,698.33
  5. Step 5: Solve for x
    x = 5,841,006,698.33/88,249.53
  6. Step 6: Final answer
    x = 66,187.40

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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.