Home / 88,077.99-132,130.77-28,900.20

Finding the Fourth Proportional to 88,077.99, 132,130.77 and 28,900.20

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Solution

The fourth proportional to 88,077.99, 132,130.77 and 28,900.20 is: 43,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,077.99 : 132,130.77 = 28,900.20 : x
  2. Step 2: Convert to fraction form
    88,077.99/132,130.77 = 28,900.20/x
  3. Step 3: Cross multiply
    88,077.99x = 132,130.77 × 28,900.20
  4. Step 4: Simplify right side
    88,077.99x = 3,818,605,679.15
  5. Step 5: Solve for x
    x = 3,818,605,679.15/88,077.99
  6. Step 6: Final answer
    x = 43,354.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.