Home / 85,508.24-128,288.28-60,596.48

Finding the Fourth Proportional to 85,508.24, 128,288.28 and 60,596.48

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Solution

The fourth proportional to 85,508.24, 128,288.28 and 60,596.48 is: 90,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,508.24 : 128,288.28 = 60,596.48 : x
  2. Step 2: Convert to fraction form
    85,508.24/128,288.28 = 60,596.48/x
  3. Step 3: Cross multiply
    85,508.24x = 128,288.28 × 60,596.48
  4. Step 4: Simplify right side
    85,508.24x = 7,773,818,193.25
  5. Step 5: Solve for x
    x = 7,773,818,193.25/85,508.24
  6. Step 6: Final answer
    x = 90,913.09

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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.