Home / 78,983.15-118,482.14-29,064.20

Finding the Fourth Proportional to 78,983.15, 118,482.14 and 29,064.20

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Solution

The fourth proportional to 78,983.15, 118,482.14 and 29,064.20 is: 43,599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,983.15 : 118,482.14 = 29,064.20 : x
  2. Step 2: Convert to fraction form
    78,983.15/118,482.14 = 29,064.20/x
  3. Step 3: Cross multiply
    78,983.15x = 118,482.14 × 29,064.20
  4. Step 4: Simplify right side
    78,983.15x = 3,443,588,093.64
  5. Step 5: Solve for x
    x = 3,443,588,093.64/78,983.15
  6. Step 6: Final answer
    x = 43,599.02

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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.