Home / 124,894.16-172,263.72-79,527.44

Finding the Fourth Proportional to 124,894.16, 172,263.72 and 79,527.44

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Solution

The fourth proportional to 124,894.16, 172,263.72 and 79,527.44 is: 109,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,894.16 : 172,263.72 = 79,527.44 : x
  2. Step 2: Convert to fraction form
    124,894.16/172,263.72 = 79,527.44/x
  3. Step 3: Cross multiply
    124,894.16x = 172,263.72 × 79,527.44
  4. Step 4: Simplify right side
    124,894.16x = 13,699,692,656.48
  5. Step 5: Solve for x
    x = 13,699,692,656.48/124,894.16
  6. Step 6: Final answer
    x = 109,690.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.