Home / 110,515.32-152,511.48-62,769.06

Finding the Fourth Proportional to 110,515.32, 152,511.48 and 62,769.06

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Solution

The fourth proportional to 110,515.32, 152,511.48 and 62,769.06 is: 86,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,515.32 : 152,511.48 = 62,769.06 : x
  2. Step 2: Convert to fraction form
    110,515.32/152,511.48 = 62,769.06/x
  3. Step 3: Cross multiply
    110,515.32x = 152,511.48 × 62,769.06
  4. Step 4: Simplify right side
    110,515.32x = 9,573,002,238.81
  5. Step 5: Solve for x
    x = 9,573,002,238.81/110,515.32
  6. Step 6: Final answer
    x = 86,621.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.