Home / 44,711.81-67,078.08-13,120.59

Finding the Fourth Proportional to 44,711.81, 67,078.08 and 13,120.59

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Solution

The fourth proportional to 44,711.81, 67,078.08 and 13,120.59 is: 19,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,711.81 : 67,078.08 = 13,120.59 : x
  2. Step 2: Convert to fraction form
    44,711.81/67,078.08 = 13,120.59/x
  3. Step 3: Cross multiply
    44,711.81x = 67,078.08 × 13,120.59
  4. Step 4: Simplify right side
    44,711.81x = 880,103,985.67
  5. Step 5: Solve for x
    x = 880,103,985.67/44,711.81
  6. Step 6: Final answer
    x = 19,683.93

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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.