Home / 94,842.72-130,881.39-52,405.20

Finding the Fourth Proportional to 94,842.72, 130,881.39 and 52,405.20

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Solution

The fourth proportional to 94,842.72, 130,881.39 and 52,405.20 is: 72,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,842.72 : 130,881.39 = 52,405.20 : x
  2. Step 2: Convert to fraction form
    94,842.72/130,881.39 = 52,405.20/x
  3. Step 3: Cross multiply
    94,842.72x = 130,881.39 × 52,405.20
  4. Step 4: Simplify right side
    94,842.72x = 6,858,865,419.23
  5. Step 5: Solve for x
    x = 6,858,865,419.23/94,842.72
  6. Step 6: Final answer
    x = 72,318.31

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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.