Home / 106,302.69-159,432.12-47,100.60

Finding the Fourth Proportional to 106,302.69, 159,432.12 and 47,100.60

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Solution

The fourth proportional to 106,302.69, 159,432.12 and 47,100.60 is: 70,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,302.69 : 159,432.12 = 47,100.60 : x
  2. Step 2: Convert to fraction form
    106,302.69/159,432.12 = 47,100.60/x
  3. Step 3: Cross multiply
    106,302.69x = 159,432.12 × 47,100.60
  4. Step 4: Simplify right side
    106,302.69x = 7,509,348,511.27
  5. Step 5: Solve for x
    x = 7,509,348,511.27/106,302.69
  6. Step 6: Final answer
    x = 70,641.19

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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.