Home / 94,399.86-130,274.28-51,382.20

Finding the Fourth Proportional to 94,399.86, 130,274.28 and 51,382.20

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Solution

The fourth proportional to 94,399.86, 130,274.28 and 51,382.20 is: 70,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,399.86 : 130,274.28 = 51,382.20 : x
  2. Step 2: Convert to fraction form
    94,399.86/130,274.28 = 51,382.20/x
  3. Step 3: Cross multiply
    94,399.86x = 130,274.28 × 51,382.20
  4. Step 4: Simplify right side
    94,399.86x = 6,693,779,109.82
  5. Step 5: Solve for x
    x = 6,693,779,109.82/94,399.86
  6. Step 6: Final answer
    x = 70,908.78

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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.