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Finding the Fourth Proportional to 92,851.59, 128,134.83 and 50,410.11

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Solution

The fourth proportional to 92,851.59, 128,134.83 and 50,410.11 is: 69,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,851.59 : 128,134.83 = 50,410.11 : x
  2. Step 2: Convert to fraction form
    92,851.59/128,134.83 = 50,410.11/x
  3. Step 3: Cross multiply
    92,851.59x = 128,134.83 × 50,410.11
  4. Step 4: Simplify right side
    92,851.59x = 6,459,290,875.13
  5. Step 5: Solve for x
    x = 6,459,290,875.13/92,851.59
  6. Step 6: Final answer
    x = 69,565.75

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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.