Home / 95,068.88-131,055.30-72,368.32

Finding the Fourth Proportional to 95,068.88, 131,055.30 and 72,368.32

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Solution

The fourth proportional to 95,068.88, 131,055.30 and 72,368.32 is: 99,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,068.88 : 131,055.30 = 72,368.32 : x
  2. Step 2: Convert to fraction form
    95,068.88/131,055.30 = 72,368.32/x
  3. Step 3: Cross multiply
    95,068.88x = 131,055.30 × 72,368.32
  4. Step 4: Simplify right side
    95,068.88x = 9,484,251,888.10
  5. Step 5: Solve for x
    x = 9,484,251,888.10/95,068.88
  6. Step 6: Final answer
    x = 99,761.90

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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.