Home / 112,587.75-168,881.79-28,347.93

Finding the Fourth Proportional to 112,587.75, 168,881.79 and 28,347.93

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Solution

The fourth proportional to 112,587.75, 168,881.79 and 28,347.93 is: 42,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,587.75 : 168,881.79 = 28,347.93 : x
  2. Step 2: Convert to fraction form
    112,587.75/168,881.79 = 28,347.93/x
  3. Step 3: Cross multiply
    112,587.75x = 168,881.79 × 28,347.93
  4. Step 4: Simplify right side
    112,587.75x = 4,787,449,161.19
  5. Step 5: Solve for x
    x = 4,787,449,161.19/112,587.75
  6. Step 6: Final answer
    x = 42,521.94

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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.