Home / 101,824.35-140,515.50-56,501.97

Finding the Fourth Proportional to 101,824.35, 140,515.50 and 56,501.97

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Solution

The fourth proportional to 101,824.35, 140,515.50 and 56,501.97 is: 77,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,824.35 : 140,515.50 = 56,501.97 : x
  2. Step 2: Convert to fraction form
    101,824.35/140,515.50 = 56,501.97/x
  3. Step 3: Cross multiply
    101,824.35x = 140,515.50 × 56,501.97
  4. Step 4: Simplify right side
    101,824.35x = 7,939,402,565.54
  5. Step 5: Solve for x
    x = 7,939,402,565.54/101,824.35
  6. Step 6: Final answer
    x = 77,971.55

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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.