Home / 88,456.56-122,070.75-48,170.50

Finding the Fourth Proportional to 88,456.56, 122,070.75 and 48,170.50

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Solution

The fourth proportional to 88,456.56, 122,070.75 and 48,170.50 is: 66,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,456.56 : 122,070.75 = 48,170.50 : x
  2. Step 2: Convert to fraction form
    88,456.56/122,070.75 = 48,170.50/x
  3. Step 3: Cross multiply
    88,456.56x = 122,070.75 × 48,170.50
  4. Step 4: Simplify right side
    88,456.56x = 5,880,208,577.06
  5. Step 5: Solve for x
    x = 5,880,208,577.06/88,456.56
  6. Step 6: Final answer
    x = 66,475.67

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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.