Home / 57,627.90-79,532.55-43,458.30

Finding the Fourth Proportional to 57,627.90, 79,532.55 and 43,458.30

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Solution

The fourth proportional to 57,627.90, 79,532.55 and 43,458.30 is: 59,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,627.90 : 79,532.55 = 43,458.30 : x
  2. Step 2: Convert to fraction form
    57,627.90/79,532.55 = 43,458.30/x
  3. Step 3: Cross multiply
    57,627.90x = 79,532.55 × 43,458.30
  4. Step 4: Simplify right side
    57,627.90x = 3,456,349,417.67
  5. Step 5: Solve for x
    x = 3,456,349,417.67/57,627.90
  6. Step 6: Final answer
    x = 59,977.01

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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.