Home / 112,373.53-168,566.77-42,253.45

Finding the Fourth Proportional to 112,373.53, 168,566.77 and 42,253.45

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Solution

The fourth proportional to 112,373.53, 168,566.77 and 42,253.45 is: 63,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,373.53 : 168,566.77 = 42,253.45 : x
  2. Step 2: Convert to fraction form
    112,373.53/168,566.77 = 42,253.45/x
  3. Step 3: Cross multiply
    112,373.53x = 168,566.77 × 42,253.45
  4. Step 4: Simplify right side
    112,373.53x = 7,122,527,060.81
  5. Step 5: Solve for x
    x = 7,122,527,060.81/112,373.53
  6. Step 6: Final answer
    x = 63,382.61

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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.