Home / 98,421.54-147,560.79-39,239.46

Finding the Fourth Proportional to 98,421.54, 147,560.79 and 39,239.46

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Solution

The fourth proportional to 98,421.54, 147,560.79 and 39,239.46 is: 58,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,421.54 : 147,560.79 = 39,239.46 : x
  2. Step 2: Convert to fraction form
    98,421.54/147,560.79 = 39,239.46/x
  3. Step 3: Cross multiply
    98,421.54x = 147,560.79 × 39,239.46
  4. Step 4: Simplify right side
    98,421.54x = 5,790,205,716.77
  5. Step 5: Solve for x
    x = 5,790,205,716.77/98,421.54
  6. Step 6: Final answer
    x = 58,830.68

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1.5x scale

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.