Home / 94,421.09-130,300.74-51,979.62

Finding the Fourth Proportional to 94,421.09, 130,300.74 and 51,979.62

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Solution

The fourth proportional to 94,421.09, 130,300.74 and 51,979.62 is: 71,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,421.09 : 130,300.74 = 51,979.62 : x
  2. Step 2: Convert to fraction form
    94,421.09/130,300.74 = 51,979.62/x
  3. Step 3: Cross multiply
    94,421.09x = 130,300.74 × 51,979.62
  4. Step 4: Simplify right side
    94,421.09x = 6,772,982,950.92
  5. Step 5: Solve for x
    x = 6,772,982,950.92/94,421.09
  6. Step 6: Final answer
    x = 71,731.68

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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.