Home / 70,437.20-105,657.48-23,690.07

Finding the Fourth Proportional to 70,437.20, 105,657.48 and 23,690.07

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Solution

The fourth proportional to 70,437.20, 105,657.48 and 23,690.07 is: 35,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,437.20 : 105,657.48 = 23,690.07 : x
  2. Step 2: Convert to fraction form
    70,437.20/105,657.48 = 23,690.07/x
  3. Step 3: Cross multiply
    70,437.20x = 105,657.48 × 23,690.07
  4. Step 4: Simplify right side
    70,437.20x = 2,503,033,097.22
  5. Step 5: Solve for x
    x = 2,503,033,097.22/70,437.20
  6. Step 6: Final answer
    x = 35,535.67

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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.