Home / 43,137.20-59,561.77-42,448.30

Finding the Fourth Proportional to 43,137.20, 59,561.77 and 42,448.30

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Solution

The fourth proportional to 43,137.20, 59,561.77 and 42,448.30 is: 58,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137.20 : 59,561.77 = 42,448.30 : x
  2. Step 2: Convert to fraction form
    43,137.20/59,561.77 = 42,448.30/x
  3. Step 3: Cross multiply
    43,137.20x = 59,561.77 × 42,448.30
  4. Step 4: Simplify right side
    43,137.20x = 2,528,295,881.49
  5. Step 5: Solve for x
    x = 2,528,295,881.49/43,137.20
  6. Step 6: Final answer
    x = 58,610.57

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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.