Home / 70,631.22-105,947.02-17,323.44

Finding the Fourth Proportional to 70,631.22, 105,947.02 and 17,323.44

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Solution

The fourth proportional to 70,631.22, 105,947.02 and 17,323.44 is: 25,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,631.22 : 105,947.02 = 17,323.44 : x
  2. Step 2: Convert to fraction form
    70,631.22/105,947.02 = 17,323.44/x
  3. Step 3: Cross multiply
    70,631.22x = 105,947.02 × 17,323.44
  4. Step 4: Simplify right side
    70,631.22x = 1,835,366,468.50
  5. Step 5: Solve for x
    x = 1,835,366,468.50/70,631.22
  6. Step 6: Final answer
    x = 25,985.20

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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.