Home / 92,987.15-139,412.36-29,770.70

Finding the Fourth Proportional to 92,987.15, 139,412.36 and 29,770.70

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Solution

The fourth proportional to 92,987.15, 139,412.36 and 29,770.70 is: 44,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,987.15 : 139,412.36 = 29,770.70 : x
  2. Step 2: Convert to fraction form
    92,987.15/139,412.36 = 29,770.70/x
  3. Step 3: Cross multiply
    92,987.15x = 139,412.36 × 29,770.70
  4. Step 4: Simplify right side
    92,987.15x = 4,150,402,699.94
  5. Step 5: Solve for x
    x = 4,150,402,699.94/92,987.15
  6. Step 6: Final answer
    x = 44,634.16

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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.