Home / 64,146.16-88,464.34-40,275.04

Finding the Fourth Proportional to 64,146.16, 88,464.34 and 40,275.04

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Solution

The fourth proportional to 64,146.16, 88,464.34 and 40,275.04 is: 55,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,146.16 : 88,464.34 = 40,275.04 : x
  2. Step 2: Convert to fraction form
    64,146.16/88,464.34 = 40,275.04/x
  3. Step 3: Cross multiply
    64,146.16x = 88,464.34 × 40,275.04
  4. Step 4: Simplify right side
    64,146.16x = 3,562,904,832.07
  5. Step 5: Solve for x
    x = 3,562,904,832.07/64,146.16
  6. Step 6: Final answer
    x = 55,543.54

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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.