Home / 55,810.76-83,679.42-31,795.60

Finding the Fourth Proportional to 55,810.76, 83,679.42 and 31,795.60

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Solution

The fourth proportional to 55,810.76, 83,679.42 and 31,795.60 is: 47,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,810.76 : 83,679.42 = 31,795.60 : x
  2. Step 2: Convert to fraction form
    55,810.76/83,679.42 = 31,795.60/x
  3. Step 3: Cross multiply
    55,810.76x = 83,679.42 × 31,795.60
  4. Step 4: Simplify right side
    55,810.76x = 2,660,637,366.55
  5. Step 5: Solve for x
    x = 2,660,637,366.55/55,810.76
  6. Step 6: Final answer
    x = 47,672.48

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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.