Home / 112,743.18-169,134.20-37,870.52

Finding the Fourth Proportional to 112,743.18, 169,134.20 and 37,870.52

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Solution

The fourth proportional to 112,743.18, 169,134.20 and 37,870.52 is: 56,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,743.18 : 169,134.20 = 37,870.52 : x
  2. Step 2: Convert to fraction form
    112,743.18/169,134.20 = 37,870.52/x
  3. Step 3: Cross multiply
    112,743.18x = 169,134.20 × 37,870.52
  4. Step 4: Simplify right side
    112,743.18x = 6,405,199,068.76
  5. Step 5: Solve for x
    x = 6,405,199,068.76/112,743.18
  6. Step 6: Final answer
    x = 56,812.30

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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.