Home / 88,134.84-121,626.12-47,848.56

Finding the Fourth Proportional to 88,134.84, 121,626.12 and 47,848.56

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Solution

The fourth proportional to 88,134.84, 121,626.12 and 47,848.56 is: 66,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,134.84 : 121,626.12 = 47,848.56 : x
  2. Step 2: Convert to fraction form
    88,134.84/121,626.12 = 47,848.56/x
  3. Step 3: Cross multiply
    88,134.84x = 121,626.12 × 47,848.56
  4. Step 4: Simplify right side
    88,134.84x = 5,819,634,700.39
  5. Step 5: Solve for x
    x = 5,819,634,700.39/88,134.84
  6. Step 6: Final answer
    x = 66,031.03

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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.