Home / 77,856.29-107,419.45-43,852.89

Finding the Fourth Proportional to 77,856.29, 107,419.45 and 43,852.89

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Solution

The fourth proportional to 77,856.29, 107,419.45 and 43,852.89 is: 60,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,856.29 : 107,419.45 = 43,852.89 : x
  2. Step 2: Convert to fraction form
    77,856.29/107,419.45 = 43,852.89/x
  3. Step 3: Cross multiply
    77,856.29x = 107,419.45 × 43,852.89
  4. Step 4: Simplify right side
    77,856.29x = 4,710,653,324.71
  5. Step 5: Solve for x
    x = 4,710,653,324.71/77,856.29
  6. Step 6: Final answer
    x = 60,504.47

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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.