Home / 88,318.49-121,878.34-48,031.39

Finding the Fourth Proportional to 88,318.49, 121,878.34 and 48,031.39

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Solution

The fourth proportional to 88,318.49, 121,878.34 and 48,031.39 is: 66,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,318.49 : 121,878.34 = 48,031.39 : x
  2. Step 2: Convert to fraction form
    88,318.49/121,878.34 = 48,031.39/x
  3. Step 3: Cross multiply
    88,318.49x = 121,878.34 × 48,031.39
  4. Step 4: Simplify right side
    88,318.49x = 5,853,985,231.54
  5. Step 5: Solve for x
    x = 5,853,985,231.54/88,318.49
  6. Step 6: Final answer
    x = 66,282.67

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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.