Home / 62,316.99-85,972.86-38,402.01

Finding the Fourth Proportional to 62,316.99, 85,972.86 and 38,402.01

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Solution

The fourth proportional to 62,316.99, 85,972.86 and 38,402.01 is: 52,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,316.99 : 85,972.86 = 38,402.01 : x
  2. Step 2: Convert to fraction form
    62,316.99/85,972.86 = 38,402.01/x
  3. Step 3: Cross multiply
    62,316.99x = 85,972.86 × 38,402.01
  4. Step 4: Simplify right side
    62,316.99x = 3,301,530,629.45
  5. Step 5: Solve for x
    x = 3,301,530,629.45/62,316.99
  6. Step 6: Final answer
    x = 52,979.62

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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.