Home / 107,381.69-148,188.51-58,988.09

Finding the Fourth Proportional to 107,381.69, 148,188.51 and 58,988.09

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Solution

The fourth proportional to 107,381.69, 148,188.51 and 58,988.09 is: 81,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,381.69 : 148,188.51 = 58,988.09 : x
  2. Step 2: Convert to fraction form
    107,381.69/148,188.51 = 58,988.09/x
  3. Step 3: Cross multiply
    107,381.69x = 148,188.51 × 58,988.09
  4. Step 4: Simplify right side
    107,381.69x = 8,741,356,423.90
  5. Step 5: Solve for x
    x = 8,741,356,423.90/107,381.69
  6. Step 6: Final answer
    x = 81,404.54

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1.5x scale

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.