Home / 94,412.68-130,301.94-56,689.36

Finding the Fourth Proportional to 94,412.68, 130,301.94 and 56,689.36

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Solution

The fourth proportional to 94,412.68, 130,301.94 and 56,689.36 is: 78,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,412.68 : 130,301.94 = 56,689.36 : x
  2. Step 2: Convert to fraction form
    94,412.68/130,301.94 = 56,689.36/x
  3. Step 3: Cross multiply
    94,412.68x = 130,301.94 × 56,689.36
  4. Step 4: Simplify right side
    94,412.68x = 7,386,733,585.36
  5. Step 5: Solve for x
    x = 7,386,733,585.36/94,412.68
  6. Step 6: Final answer
    x = 78,238.79

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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.