Home / 85,506.24-128,285.28-60,594.48

Finding the Fourth Proportional to 85,506.24, 128,285.28 and 60,594.48

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Solution

The fourth proportional to 85,506.24, 128,285.28 and 60,594.48 is: 90,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,506.24 : 128,285.28 = 60,594.48 : x
  2. Step 2: Convert to fraction form
    85,506.24/128,285.28 = 60,594.48/x
  3. Step 3: Cross multiply
    85,506.24x = 128,285.28 × 60,594.48
  4. Step 4: Simplify right side
    85,506.24x = 7,773,379,833.25
  5. Step 5: Solve for x
    x = 7,773,379,833.25/85,506.24
  6. Step 6: Final answer
    x = 90,910.09

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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.