Home / 105,749.40-158,624.10-35,621.40

Finding the Fourth Proportional to 105,749.40, 158,624.10 and 35,621.40

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Solution

The fourth proportional to 105,749.40, 158,624.10 and 35,621.40 is: 53,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,749.40 : 158,624.10 = 35,621.40 : x
  2. Step 2: Convert to fraction form
    105,749.40/158,624.10 = 35,621.40/x
  3. Step 3: Cross multiply
    105,749.40x = 158,624.10 × 35,621.40
  4. Step 4: Simplify right side
    105,749.40x = 5,650,412,515.74
  5. Step 5: Solve for x
    x = 5,650,412,515.74/105,749.40
  6. Step 6: Final answer
    x = 53,432.10

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1.5x scale

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.