Home / 84,592.14-126,887-21,411.80

Finding the Fourth Proportional to 84,592.14, 126,887 and 21,411.80

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Solution

The fourth proportional to 84,592.14, 126,887 and 21,411.80 is: 32,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,592.14 : 126,887 = 21,411.80 : x
  2. Step 2: Convert to fraction form
    84,592.14/126,887 = 21,411.80/x
  3. Step 3: Cross multiply
    84,592.14x = 126,887 × 21,411.80
  4. Step 4: Simplify right side
    84,592.14x = 2,716,879,066.60
  5. Step 5: Solve for x
    x = 2,716,879,066.60/84,592.14
  6. Step 6: Final answer
    x = 32,117.39

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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.