Home / 109,117.53-163,509.17-73,446.93

Finding the Fourth Proportional to 109,117.53, 163,509.17 and 73,446.93

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Solution

The fourth proportional to 109,117.53, 163,509.17 and 73,446.93 is: 110,057.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,117.53 : 163,509.17 = 73,446.93 : x
  2. Step 2: Convert to fraction form
    109,117.53/163,509.17 = 73,446.93/x
  3. Step 3: Cross multiply
    109,117.53x = 163,509.17 × 73,446.93
  4. Step 4: Simplify right side
    109,117.53x = 12,009,246,196.11
  5. Step 5: Solve for x
    x = 12,009,246,196.11/109,117.53
  6. Step 6: Final answer
    x = 110,057.90

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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.