Home / 94,340.36-130,189.68-56,614.64

Finding the Fourth Proportional to 94,340.36, 130,189.68 and 56,614.64

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Solution

The fourth proportional to 94,340.36, 130,189.68 and 56,614.64 is: 78,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,340.36 : 130,189.68 = 56,614.64 : x
  2. Step 2: Convert to fraction form
    94,340.36/130,189.68 = 56,614.64/x
  3. Step 3: Cross multiply
    94,340.36x = 130,189.68 × 56,614.64
  4. Step 4: Simplify right side
    94,340.36x = 7,370,641,864.92
  5. Step 5: Solve for x
    x = 7,370,641,864.92/94,340.36
  6. Step 6: Final answer
    x = 78,128.19

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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.