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Finding the Fourth Proportional to 95,488.64, 143,239.04 and 53,368.32

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Solution

The fourth proportional to 95,488.64, 143,239.04 and 53,368.32 is: 80,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,488.64 : 143,239.04 = 53,368.32 : x
  2. Step 2: Convert to fraction form
    95,488.64/143,239.04 = 53,368.32/x
  3. Step 3: Cross multiply
    95,488.64x = 143,239.04 × 53,368.32
  4. Step 4: Simplify right side
    95,488.64x = 7,644,426,923.21
  5. Step 5: Solve for x
    x = 7,644,426,923.21/95,488.64
  6. Step 6: Final answer
    x = 80,055.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.