Home / 112,795.76-169,214.96-45,333.05

Finding the Fourth Proportional to 112,795.76, 169,214.96 and 45,333.05

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Solution

The fourth proportional to 112,795.76, 169,214.96 and 45,333.05 is: 68,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,795.76 : 169,214.96 = 45,333.05 : x
  2. Step 2: Convert to fraction form
    112,795.76/169,214.96 = 45,333.05/x
  3. Step 3: Cross multiply
    112,795.76x = 169,214.96 × 45,333.05
  4. Step 4: Simplify right side
    112,795.76x = 7,671,029,509.69
  5. Step 5: Solve for x
    x = 7,671,029,509.69/112,795.76
  6. Step 6: Final answer
    x = 68,008.14

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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.