Home / 94,690.48-142,057.58-28,129.13

Finding the Fourth Proportional to 94,690.48, 142,057.58 and 28,129.13

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Solution

The fourth proportional to 94,690.48, 142,057.58 and 28,129.13 is: 42,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,690.48 : 142,057.58 = 28,129.13 : x
  2. Step 2: Convert to fraction form
    94,690.48/142,057.58 = 28,129.13/x
  3. Step 3: Cross multiply
    94,690.48x = 142,057.58 × 28,129.13
  4. Step 4: Simplify right side
    94,690.48x = 3,995,956,135.31
  5. Step 5: Solve for x
    x = 3,995,956,135.31/94,690.48
  6. Step 6: Final answer
    x = 42,200.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.