Home / 98,965.32-136,573.65-56,523.93

Finding the Fourth Proportional to 98,965.32, 136,573.65 and 56,523.93

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Solution

The fourth proportional to 98,965.32, 136,573.65 and 56,523.93 is: 78,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,965.32 : 136,573.65 = 56,523.93 : x
  2. Step 2: Convert to fraction form
    98,965.32/136,573.65 = 56,523.93/x
  3. Step 3: Cross multiply
    98,965.32x = 136,573.65 × 56,523.93
  4. Step 4: Simplify right side
    98,965.32x = 7,719,679,432.44
  5. Step 5: Solve for x
    x = 7,719,679,432.44/98,965.32
  6. Step 6: Final answer
    x = 78,003.88

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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.