Home / 94,019.90-129,758.96-53,724.42

Finding the Fourth Proportional to 94,019.90, 129,758.96 and 53,724.42

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Solution

The fourth proportional to 94,019.90, 129,758.96 and 53,724.42 is: 74,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,019.90 : 129,758.96 = 53,724.42 : x
  2. Step 2: Convert to fraction form
    94,019.90/129,758.96 = 53,724.42/x
  3. Step 3: Cross multiply
    94,019.90x = 129,758.96 × 53,724.42
  4. Step 4: Simplify right side
    94,019.90x = 6,971,224,865.80
  5. Step 5: Solve for x
    x = 6,971,224,865.80/94,019.90
  6. Step 6: Final answer
    x = 74,146.27

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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.