Home / 88,261.45-121,832.03-52,451.03

Finding the Fourth Proportional to 88,261.45, 121,832.03 and 52,451.03

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Solution

The fourth proportional to 88,261.45, 121,832.03 and 52,451.03 is: 72,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,261.45 : 121,832.03 = 52,451.03 : x
  2. Step 2: Convert to fraction form
    88,261.45/121,832.03 = 52,451.03/x
  3. Step 3: Cross multiply
    88,261.45x = 121,832.03 × 52,451.03
  4. Step 4: Simplify right side
    88,261.45x = 6,390,215,460.49
  5. Step 5: Solve for x
    x = 6,390,215,460.49/88,261.45
  6. Step 6: Final answer
    x = 72,400.98

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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.