Home / 96,811.61-133,605.95-54,370.13

Finding the Fourth Proportional to 96,811.61, 133,605.95 and 54,370.13

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Solution

The fourth proportional to 96,811.61, 133,605.95 and 54,370.13 is: 75,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,811.61 : 133,605.95 = 54,370.13 : x
  2. Step 2: Convert to fraction form
    96,811.61/133,605.95 = 54,370.13/x
  3. Step 3: Cross multiply
    96,811.61x = 133,605.95 × 54,370.13
  4. Step 4: Simplify right side
    96,811.61x = 7,264,171,930.39
  5. Step 5: Solve for x
    x = 7,264,171,930.39/96,811.61
  6. Step 6: Final answer
    x = 75,034.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.