Home / 58,515.04-80,750.84-31,657.48

Finding the Fourth Proportional to 58,515.04, 80,750.84 and 31,657.48

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Solution

The fourth proportional to 58,515.04, 80,750.84 and 31,657.48 is: 43,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,515.04 : 80,750.84 = 31,657.48 : x
  2. Step 2: Convert to fraction form
    58,515.04/80,750.84 = 31,657.48/x
  3. Step 3: Cross multiply
    58,515.04x = 80,750.84 × 31,657.48
  4. Step 4: Simplify right side
    58,515.04x = 2,556,368,102.28
  5. Step 5: Solve for x
    x = 2,556,368,102.28/58,515.04
  6. Step 6: Final answer
    x = 43,687.37

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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.