Home / 98,035.28-135,317.66-57,762.06

Finding the Fourth Proportional to 98,035.28, 135,317.66 and 57,762.06

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Solution

The fourth proportional to 98,035.28, 135,317.66 and 57,762.06 is: 79,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,035.28 : 135,317.66 = 57,762.06 : x
  2. Step 2: Convert to fraction form
    98,035.28/135,317.66 = 57,762.06/x
  3. Step 3: Cross multiply
    98,035.28x = 135,317.66 × 57,762.06
  4. Step 4: Simplify right side
    98,035.28x = 7,816,226,119.39
  5. Step 5: Solve for x
    x = 7,816,226,119.39/98,035.28
  6. Step 6: Final answer
    x = 79,728.71

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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.