Home / 74,072.04-102,199.16-42,229.32

Finding the Fourth Proportional to 74,072.04, 102,199.16 and 42,229.32

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Solution

The fourth proportional to 74,072.04, 102,199.16 and 42,229.32 is: 58,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,072.04 : 102,199.16 = 42,229.32 : x
  2. Step 2: Convert to fraction form
    74,072.04/102,199.16 = 42,229.32/x
  3. Step 3: Cross multiply
    74,072.04x = 102,199.16 × 42,229.32
  4. Step 4: Simplify right side
    74,072.04x = 4,315,801,031.37
  5. Step 5: Solve for x
    x = 4,315,801,031.37/74,072.04
  6. Step 6: Final answer
    x = 58,264.91

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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.