Home / 94,818.56-130,751.40-81,434.08

Finding the Fourth Proportional to 94,818.56, 130,751.40 and 81,434.08

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Solution

The fourth proportional to 94,818.56, 130,751.40 and 81,434.08 is: 112,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,818.56 : 130,751.40 = 81,434.08 : x
  2. Step 2: Convert to fraction form
    94,818.56/130,751.40 = 81,434.08/x
  3. Step 3: Cross multiply
    94,818.56x = 130,751.40 × 81,434.08
  4. Step 4: Simplify right side
    94,818.56x = 10,647,619,967.71
  5. Step 5: Solve for x
    x = 10,647,619,967.71/94,818.56
  6. Step 6: Final answer
    x = 112,294.68

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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.