Home / 70,328.90-105,511.47-25,348.46

Finding the Fourth Proportional to 70,328.90, 105,511.47 and 25,348.46

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Solution

The fourth proportional to 70,328.90, 105,511.47 and 25,348.46 is: 38,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,328.90 : 105,511.47 = 25,348.46 : x
  2. Step 2: Convert to fraction form
    70,328.90/105,511.47 = 25,348.46/x
  3. Step 3: Cross multiply
    70,328.90x = 105,511.47 × 25,348.46
  4. Step 4: Simplify right side
    70,328.90x = 2,674,552,654.22
  5. Step 5: Solve for x
    x = 2,674,552,654.22/70,328.90
  6. Step 6: Final answer
    x = 38,029.21

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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.