Home / 94,530.30-141,622.65-76,904.70

Finding the Fourth Proportional to 94,530.30, 141,622.65 and 76,904.70

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Solution

The fourth proportional to 94,530.30, 141,622.65 and 76,904.70 is: 115,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,530.30 : 141,622.65 = 76,904.70 : x
  2. Step 2: Convert to fraction form
    94,530.30/141,622.65 = 76,904.70/x
  3. Step 3: Cross multiply
    94,530.30x = 141,622.65 × 76,904.70
  4. Step 4: Simplify right side
    94,530.30x = 10,891,447,411.46
  5. Step 5: Solve for x
    x = 10,891,447,411.46/94,530.30
  6. Step 6: Final answer
    x = 115,216.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.