Home / 78,693.24-118,069.02-36,595.92

Finding the Fourth Proportional to 78,693.24, 118,069.02 and 36,595.92

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Solution

The fourth proportional to 78,693.24, 118,069.02 and 36,595.92 is: 54,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,693.24 : 118,069.02 = 36,595.92 : x
  2. Step 2: Convert to fraction form
    78,693.24/118,069.02 = 36,595.92/x
  3. Step 3: Cross multiply
    78,693.24x = 118,069.02 × 36,595.92
  4. Step 4: Simplify right side
    78,693.24x = 4,320,844,410.40
  5. Step 5: Solve for x
    x = 4,320,844,410.40/78,693.24
  6. Step 6: Final answer
    x = 54,907.44

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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.