Home / 112,782.04-169,154.15-52,816.79

Finding the Fourth Proportional to 112,782.04, 169,154.15 and 52,816.79

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Solution

The fourth proportional to 112,782.04, 169,154.15 and 52,816.79 is: 79,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,782.04 : 169,154.15 = 52,816.79 : x
  2. Step 2: Convert to fraction form
    112,782.04/169,154.15 = 52,816.79/x
  3. Step 3: Cross multiply
    112,782.04x = 169,154.15 × 52,816.79
  4. Step 4: Simplify right side
    112,782.04x = 8,934,179,218.18
  5. Step 5: Solve for x
    x = 8,934,179,218.18/112,782.04
  6. Step 6: Final answer
    x = 79,216.33

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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.