Home / 88,087.68-121,560.37-47,800.40

Finding the Fourth Proportional to 88,087.68, 121,560.37 and 47,800.40

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Solution

The fourth proportional to 88,087.68, 121,560.37 and 47,800.40 is: 65,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,087.68 : 121,560.37 = 47,800.40 : x
  2. Step 2: Convert to fraction form
    88,087.68/121,560.37 = 47,800.40/x
  3. Step 3: Cross multiply
    88,087.68x = 121,560.37 × 47,800.40
  4. Step 4: Simplify right side
    88,087.68x = 5,810,634,310.15
  5. Step 5: Solve for x
    x = 5,810,634,310.15/88,087.68
  6. Step 6: Final answer
    x = 65,964.21

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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.