Home / 57,375.48-79,156.04-42,303.92

Finding the Fourth Proportional to 57,375.48, 79,156.04 and 42,303.92

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Solution

The fourth proportional to 57,375.48, 79,156.04 and 42,303.92 is: 58,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,375.48 : 79,156.04 = 42,303.92 : x
  2. Step 2: Convert to fraction form
    57,375.48/79,156.04 = 42,303.92/x
  3. Step 3: Cross multiply
    57,375.48x = 79,156.04 × 42,303.92
  4. Step 4: Simplify right side
    57,375.48x = 3,348,610,783.68
  5. Step 5: Solve for x
    x = 3,348,610,783.68/57,375.48
  6. Step 6: Final answer
    x = 58,363.10

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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.