Home / 94,168.76-141,900.91-77,895.05

Finding the Fourth Proportional to 94,168.76, 141,900.91 and 77,895.05

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Solution

The fourth proportional to 94,168.76, 141,900.91 and 77,895.05 is: 117,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,168.76 : 141,900.91 = 77,895.05 : x
  2. Step 2: Convert to fraction form
    94,168.76/141,900.91 = 77,895.05/x
  3. Step 3: Cross multiply
    94,168.76x = 141,900.91 × 77,895.05
  4. Step 4: Simplify right side
    94,168.76x = 11,053,378,090.02
  5. Step 5: Solve for x
    x = 11,053,378,090.02/94,168.76
  6. Step 6: Final answer
    x = 117,378.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.