Home / 106,618.48-147,133.50-58,871.92

Finding the Fourth Proportional to 106,618.48, 147,133.50 and 58,871.92

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Solution

The fourth proportional to 106,618.48, 147,133.50 and 58,871.92 is: 81,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,618.48 : 147,133.50 = 58,871.92 : x
  2. Step 2: Convert to fraction form
    106,618.48/147,133.50 = 58,871.92/x
  3. Step 3: Cross multiply
    106,618.48x = 147,133.50 × 58,871.92
  4. Step 4: Simplify right side
    106,618.48x = 8,662,031,641.32
  5. Step 5: Solve for x
    x = 8,662,031,641.32/106,618.48
  6. Step 6: Final answer
    x = 81,243.25

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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.