Home / 112,947.21-169,392.38-46,405.71

Finding the Fourth Proportional to 112,947.21, 169,392.38 and 46,405.71

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Solution

The fourth proportional to 112,947.21, 169,392.38 and 46,405.71 is: 69,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,947.21 : 169,392.38 = 46,405.71 : x
  2. Step 2: Convert to fraction form
    112,947.21/169,392.38 = 46,405.71/x
  3. Step 3: Cross multiply
    112,947.21x = 169,392.38 × 46,405.71
  4. Step 4: Simplify right side
    112,947.21x = 7,860,773,430.46
  5. Step 5: Solve for x
    x = 7,860,773,430.46/112,947.21
  6. Step 6: Final answer
    x = 69,596.88

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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.