Home / 74,683.50-111,985.65-22,085.70

Finding the Fourth Proportional to 74,683.50, 111,985.65 and 22,085.70

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Solution

The fourth proportional to 74,683.50, 111,985.65 and 22,085.70 is: 33,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,683.50 : 111,985.65 = 22,085.70 : x
  2. Step 2: Convert to fraction form
    74,683.50/111,985.65 = 22,085.70/x
  3. Step 3: Cross multiply
    74,683.50x = 111,985.65 × 22,085.70
  4. Step 4: Simplify right side
    74,683.50x = 2,473,281,470.21
  5. Step 5: Solve for x
    x = 2,473,281,470.21/74,683.50
  6. Step 6: Final answer
    x = 33,116.84

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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.