Home / 105,214.83-145,197.22-57,468.17

Finding the Fourth Proportional to 105,214.83, 145,197.22 and 57,468.17

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Solution

The fourth proportional to 105,214.83, 145,197.22 and 57,468.17 is: 79,306.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,214.83 : 145,197.22 = 57,468.17 : x
  2. Step 2: Convert to fraction form
    105,214.83/145,197.22 = 57,468.17/x
  3. Step 3: Cross multiply
    105,214.83x = 145,197.22 × 57,468.17
  4. Step 4: Simplify right side
    105,214.83x = 8,344,217,509.16
  5. Step 5: Solve for x
    x = 8,344,217,509.16/105,214.83
  6. Step 6: Final answer
    x = 79,306.48

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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.