Home / 74,053.63-102,195.03-42,225.49

Finding the Fourth Proportional to 74,053.63, 102,195.03 and 42,225.49

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Solution

The fourth proportional to 74,053.63, 102,195.03 and 42,225.49 is: 58,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,053.63 : 102,195.03 = 42,225.49 : x
  2. Step 2: Convert to fraction form
    74,053.63/102,195.03 = 42,225.49/x
  3. Step 3: Cross multiply
    74,053.63x = 102,195.03 × 42,225.49
  4. Step 4: Simplify right side
    74,053.63x = 4,315,235,217.31
  5. Step 5: Solve for x
    x = 4,315,235,217.31/74,053.63
  6. Step 6: Final answer
    x = 58,271.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.