Home / 105,285.76-157,883.66-60,943.12

Finding the Fourth Proportional to 105,285.76, 157,883.66 and 60,943.12

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Solution

The fourth proportional to 105,285.76, 157,883.66 and 60,943.12 is: 91,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,285.76 : 157,883.66 = 60,943.12 : x
  2. Step 2: Convert to fraction form
    105,285.76/157,883.66 = 60,943.12/x
  3. Step 3: Cross multiply
    105,285.76x = 157,883.66 × 60,943.12
  4. Step 4: Simplify right side
    105,285.76x = 9,621,922,837.42
  5. Step 5: Solve for x
    x = 9,621,922,837.42/105,285.76
  6. Step 6: Final answer
    x = 91,388.64

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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.