Home / 98,640.06-148,070.66-39,516.95

Finding the Fourth Proportional to 98,640.06, 148,070.66 and 39,516.95

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Solution

The fourth proportional to 98,640.06, 148,070.66 and 39,516.95 is: 59,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,640.06 : 148,070.66 = 39,516.95 : x
  2. Step 2: Convert to fraction form
    98,640.06/148,070.66 = 39,516.95/x
  3. Step 3: Cross multiply
    98,640.06x = 148,070.66 × 39,516.95
  4. Step 4: Simplify right side
    98,640.06x = 5,851,299,929.75
  5. Step 5: Solve for x
    x = 5,851,299,929.75/98,640.06
  6. Step 6: Final answer
    x = 59,319.71

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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.