Home / 64,691.64-89,287.74-41,999.04

Finding the Fourth Proportional to 64,691.64, 89,287.74 and 41,999.04

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Solution

The fourth proportional to 64,691.64, 89,287.74 and 41,999.04 is: 57,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,691.64 : 89,287.74 = 41,999.04 : x
  2. Step 2: Convert to fraction form
    64,691.64/89,287.74 = 41,999.04/x
  3. Step 3: Cross multiply
    64,691.64x = 89,287.74 × 41,999.04
  4. Step 4: Simplify right side
    64,691.64x = 3,749,999,363.77
  5. Step 5: Solve for x
    x = 3,749,999,363.77/64,691.64
  6. Step 6: Final answer
    x = 57,967.29

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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.