Home / 113,125.15-169,687.63-28,885.32

Finding the Fourth Proportional to 113,125.15, 169,687.63 and 28,885.32

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Solution

The fourth proportional to 113,125.15, 169,687.63 and 28,885.32 is: 43,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,125.15 : 169,687.63 = 28,885.32 : x
  2. Step 2: Convert to fraction form
    113,125.15/169,687.63 = 28,885.32/x
  3. Step 3: Cross multiply
    113,125.15x = 169,687.63 × 28,885.32
  4. Step 4: Simplify right side
    113,125.15x = 4,901,482,294.07
  5. Step 5: Solve for x
    x = 4,901,482,294.07/113,125.15
  6. Step 6: Final answer
    x = 43,327.96

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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.