Home / 88,467.12-121,666.32-70,349.04

Finding the Fourth Proportional to 88,467.12, 121,666.32 and 70,349.04

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Solution

The fourth proportional to 88,467.12, 121,666.32 and 70,349.04 is: 96,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,467.12 : 121,666.32 = 70,349.04 : x
  2. Step 2: Convert to fraction form
    88,467.12/121,666.32 = 70,349.04/x
  3. Step 3: Cross multiply
    88,467.12x = 121,666.32 × 70,349.04
  4. Step 4: Simplify right side
    88,467.12x = 8,559,108,812.33
  5. Step 5: Solve for x
    x = 8,559,108,812.33/88,467.12
  6. Step 6: Final answer
    x = 96,749.04

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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.