Home / 74,128.81-111,200.05-24,209.17

Finding the Fourth Proportional to 74,128.81, 111,200.05 and 24,209.17

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Solution

The fourth proportional to 74,128.81, 111,200.05 and 24,209.17 is: 36,315.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,128.81 : 111,200.05 = 24,209.17 : x
  2. Step 2: Convert to fraction form
    74,128.81/111,200.05 = 24,209.17/x
  3. Step 3: Cross multiply
    74,128.81x = 111,200.05 × 24,209.17
  4. Step 4: Simplify right side
    74,128.81x = 2,692,060,358.46
  5. Step 5: Solve for x
    x = 2,692,060,358.46/74,128.81
  6. Step 6: Final answer
    x = 36,315.98

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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.