Home / 98,888.41-148,336.70-28,767.71

Finding the Fourth Proportional to 98,888.41, 148,336.70 and 28,767.71

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Solution

The fourth proportional to 98,888.41, 148,336.70 and 28,767.71 is: 43,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,888.41 : 148,336.70 = 28,767.71 : x
  2. Step 2: Convert to fraction form
    98,888.41/148,336.70 = 28,767.71/x
  3. Step 3: Cross multiply
    98,888.41x = 148,336.70 × 28,767.71
  4. Step 4: Simplify right side
    98,888.41x = 4,267,307,024.12
  5. Step 5: Solve for x
    x = 4,267,307,024.12/98,888.41
  6. Step 6: Final answer
    x = 43,152.75

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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.