Home / 77,848.74-107,411.49-47,623.02

Finding the Fourth Proportional to 77,848.74, 107,411.49 and 47,623.02

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Solution

The fourth proportional to 77,848.74, 107,411.49 and 47,623.02 is: 65,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,848.74 : 107,411.49 = 47,623.02 : x
  2. Step 2: Convert to fraction form
    77,848.74/107,411.49 = 47,623.02/x
  3. Step 3: Cross multiply
    77,848.74x = 107,411.49 × 47,623.02
  4. Step 4: Simplify right side
    77,848.74x = 5,115,259,536.50
  5. Step 5: Solve for x
    x = 5,115,259,536.50/77,848.74
  6. Step 6: Final answer
    x = 65,707.67

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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.