Home / 70,988.15-106,459.19-23,590.50

Finding the Fourth Proportional to 70,988.15, 106,459.19 and 23,590.50

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Solution

The fourth proportional to 70,988.15, 106,459.19 and 23,590.50 is: 35,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,988.15 : 106,459.19 = 23,590.50 : x
  2. Step 2: Convert to fraction form
    70,988.15/106,459.19 = 23,590.50/x
  3. Step 3: Cross multiply
    70,988.15x = 106,459.19 × 23,590.50
  4. Step 4: Simplify right side
    70,988.15x = 2,511,425,403.74
  5. Step 5: Solve for x
    x = 2,511,425,403.74/70,988.15
  6. Step 6: Final answer
    x = 35,378.10

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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.