Home / 58,420.16-80,619.85-31,562.65

Finding the Fourth Proportional to 58,420.16, 80,619.85 and 31,562.65

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Solution

The fourth proportional to 58,420.16, 80,619.85 and 31,562.65 is: 43,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,420.16 : 80,619.85 = 31,562.65 : x
  2. Step 2: Convert to fraction form
    58,420.16/80,619.85 = 31,562.65/x
  3. Step 3: Cross multiply
    58,420.16x = 80,619.85 × 31,562.65
  4. Step 4: Simplify right side
    58,420.16x = 2,544,576,108.60
  5. Step 5: Solve for x
    x = 2,544,576,108.60/58,420.16
  6. Step 6: Final answer
    x = 43,556.47

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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.