Home / 98,317.01-147,485.10-39,138.81

Finding the Fourth Proportional to 98,317.01, 147,485.10 and 39,138.81

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Solution

The fourth proportional to 98,317.01, 147,485.10 and 39,138.81 is: 58,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,317.01 : 147,485.10 = 39,138.81 : x
  2. Step 2: Convert to fraction form
    98,317.01/147,485.10 = 39,138.81/x
  3. Step 3: Cross multiply
    98,317.01x = 147,485.10 × 39,138.81
  4. Step 4: Simplify right side
    98,317.01x = 5,772,391,306.73
  5. Step 5: Solve for x
    x = 5,772,391,306.73/98,317.01
  6. Step 6: Final answer
    x = 58,712.03

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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.