Home / 78,730.85-118,060.73-22,558.11

Finding the Fourth Proportional to 78,730.85, 118,060.73 and 22,558.11

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Solution

The fourth proportional to 78,730.85, 118,060.73 and 22,558.11 is: 33,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,730.85 : 118,060.73 = 22,558.11 : x
  2. Step 2: Convert to fraction form
    78,730.85/118,060.73 = 22,558.11/x
  3. Step 3: Cross multiply
    78,730.85x = 118,060.73 × 22,558.11
  4. Step 4: Simplify right side
    78,730.85x = 2,663,226,934.02
  5. Step 5: Solve for x
    x = 2,663,226,934.02/78,730.85
  6. Step 6: Final answer
    x = 33,826.98

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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.