Home / 74,017.60-111,026.40-49,085.80

Finding the Fourth Proportional to 74,017.60, 111,026.40 and 49,085.80

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Solution

The fourth proportional to 74,017.60, 111,026.40 and 49,085.80 is: 73,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,017.60 : 111,026.40 = 49,085.80 : x
  2. Step 2: Convert to fraction form
    74,017.60/111,026.40 = 49,085.80/x
  3. Step 3: Cross multiply
    74,017.60x = 111,026.40 × 49,085.80
  4. Step 4: Simplify right side
    74,017.60x = 5,449,819,665.12
  5. Step 5: Solve for x
    x = 5,449,819,665.12/74,017.60
  6. Step 6: Final answer
    x = 73,628.70

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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.