Home / 112,531.95-168,710.30-56,343.12

Finding the Fourth Proportional to 112,531.95, 168,710.30 and 56,343.12

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Solution

The fourth proportional to 112,531.95, 168,710.30 and 56,343.12 is: 84,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,531.95 : 168,710.30 = 56,343.12 : x
  2. Step 2: Convert to fraction form
    112,531.95/168,710.30 = 56,343.12/x
  3. Step 3: Cross multiply
    112,531.95x = 168,710.30 × 56,343.12
  4. Step 4: Simplify right side
    112,531.95x = 9,505,664,396.42
  5. Step 5: Solve for x
    x = 9,505,664,396.42/112,531.95
  6. Step 6: Final answer
    x = 84,470.80

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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.