Home / 103,677.49-155,515.20-47,501.66

Finding the Fourth Proportional to 103,677.49, 155,515.20 and 47,501.66

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Solution

The fourth proportional to 103,677.49, 155,515.20 and 47,501.66 is: 71,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,677.49 : 155,515.20 = 47,501.66 : x
  2. Step 2: Convert to fraction form
    103,677.49/155,515.20 = 47,501.66/x
  3. Step 3: Cross multiply
    103,677.49x = 155,515.20 × 47,501.66
  4. Step 4: Simplify right side
    103,677.49x = 7,387,230,155.23
  5. Step 5: Solve for x
    x = 7,387,230,155.23/103,677.49
  6. Step 6: Final answer
    x = 71,252.02

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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.