Home / 94,400.86-130,275.66-51,383.20

Finding the Fourth Proportional to 94,400.86, 130,275.66 and 51,383.20

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Solution

The fourth proportional to 94,400.86, 130,275.66 and 51,383.20 is: 70,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,400.86 : 130,275.66 = 51,383.20 : x
  2. Step 2: Convert to fraction form
    94,400.86/130,275.66 = 51,383.20/x
  3. Step 3: Cross multiply
    94,400.86x = 130,275.66 × 51,383.20
  4. Step 4: Simplify right side
    94,400.86x = 6,693,980,292.91
  5. Step 5: Solve for x
    x = 6,693,980,292.91/94,400.86
  6. Step 6: Final answer
    x = 70,910.16

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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.