Home / 102,273.96-141,125.04-56,943.12

Finding the Fourth Proportional to 102,273.96, 141,125.04 and 56,943.12

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Solution

The fourth proportional to 102,273.96, 141,125.04 and 56,943.12 is: 78,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,273.96 : 141,125.04 = 56,943.12 : x
  2. Step 2: Convert to fraction form
    102,273.96/141,125.04 = 56,943.12/x
  3. Step 3: Cross multiply
    102,273.96x = 141,125.04 × 56,943.12
  4. Step 4: Simplify right side
    102,273.96x = 8,036,100,087.72
  5. Step 5: Solve for x
    x = 8,036,100,087.72/102,273.96
  6. Step 6: Final answer
    x = 78,574.25

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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.