Home / 94,396.39-130,269.45-51,378.70

Finding the Fourth Proportional to 94,396.39, 130,269.45 and 51,378.70

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Solution

The fourth proportional to 94,396.39, 130,269.45 and 51,378.70 is: 70,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,396.39 : 130,269.45 = 51,378.70 : x
  2. Step 2: Convert to fraction form
    94,396.39/130,269.45 = 51,378.70/x
  3. Step 3: Cross multiply
    94,396.39x = 130,269.45 × 51,378.70
  4. Step 4: Simplify right side
    94,396.39x = 6,693,074,990.72
  5. Step 5: Solve for x
    x = 6,693,074,990.72/94,396.39
  6. Step 6: Final answer
    x = 70,903.93

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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.