Home / 106,111.63-146,434.13-58,368.61

Finding the Fourth Proportional to 106,111.63, 146,434.13 and 58,368.61

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Solution

The fourth proportional to 106,111.63, 146,434.13 and 58,368.61 is: 80,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,111.63 : 146,434.13 = 58,368.61 : x
  2. Step 2: Convert to fraction form
    106,111.63/146,434.13 = 58,368.61/x
  3. Step 3: Cross multiply
    106,111.63x = 146,434.13 × 58,368.61
  4. Step 4: Simplify right side
    106,111.63x = 8,547,156,624.66
  5. Step 5: Solve for x
    x = 8,547,156,624.66/106,111.63
  6. Step 6: Final answer
    x = 80,548.73

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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.