Home / 74,024.80-111,037.20-73,506.40

Finding the Fourth Proportional to 74,024.80, 111,037.20 and 73,506.40

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Solution

The fourth proportional to 74,024.80, 111,037.20 and 73,506.40 is: 110,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,024.80 : 111,037.20 = 73,506.40 : x
  2. Step 2: Convert to fraction form
    74,024.80/111,037.20 = 73,506.40/x
  3. Step 3: Cross multiply
    74,024.80x = 111,037.20 × 73,506.40
  4. Step 4: Simplify right side
    74,024.80x = 8,161,944,838.08
  5. Step 5: Solve for x
    x = 8,161,944,838.08/74,024.80
  6. Step 6: Final answer
    x = 110,259.60

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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.