Home / 98,154.24-147,254.86-31,600.60

Finding the Fourth Proportional to 98,154.24, 147,254.86 and 31,600.60

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Solution

The fourth proportional to 98,154.24, 147,254.86 and 31,600.60 is: 47,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,154.24 : 147,254.86 = 31,600.60 : x
  2. Step 2: Convert to fraction form
    98,154.24/147,254.86 = 31,600.60/x
  3. Step 3: Cross multiply
    98,154.24x = 147,254.86 × 31,600.60
  4. Step 4: Simplify right side
    98,154.24x = 4,653,341,928.92
  5. Step 5: Solve for x
    x = 4,653,341,928.92/98,154.24
  6. Step 6: Final answer
    x = 47,408.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.