Home / 58,515.08-80,750.70-31,657.62

Finding the Fourth Proportional to 58,515.08, 80,750.70 and 31,657.62

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Solution

The fourth proportional to 58,515.08, 80,750.70 and 31,657.62 is: 43,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,515.08 : 80,750.70 = 31,657.62 : x
  2. Step 2: Convert to fraction form
    58,515.08/80,750.70 = 31,657.62/x
  3. Step 3: Cross multiply
    58,515.08x = 80,750.70 × 31,657.62
  4. Step 4: Simplify right side
    58,515.08x = 2,556,374,975.33
  5. Step 5: Solve for x
    x = 2,556,374,975.33/58,515.08
  6. Step 6: Final answer
    x = 43,687.46

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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.