Home / 94,022.78-129,762.90-53,727.30

Finding the Fourth Proportional to 94,022.78, 129,762.90 and 53,727.30

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Solution

The fourth proportional to 94,022.78, 129,762.90 and 53,727.30 is: 74,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,022.78 : 129,762.90 = 53,727.30 : x
  2. Step 2: Convert to fraction form
    94,022.78/129,762.90 = 53,727.30/x
  3. Step 3: Cross multiply
    94,022.78x = 129,762.90 × 53,727.30
  4. Step 4: Simplify right side
    94,022.78x = 6,971,810,257.17
  5. Step 5: Solve for x
    x = 6,971,810,257.17/94,022.78
  6. Step 6: Final answer
    x = 74,150.23

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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.