Home / 55,130.31-76,055.27-36,737.55

Finding the Fourth Proportional to 55,130.31, 76,055.27 and 36,737.55

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Solution

The fourth proportional to 55,130.31, 76,055.27 and 36,737.55 is: 50,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130.31 : 76,055.27 = 36,737.55 : x
  2. Step 2: Convert to fraction form
    55,130.31/76,055.27 = 36,737.55/x
  3. Step 3: Cross multiply
    55,130.31x = 76,055.27 × 36,737.55
  4. Step 4: Simplify right side
    55,130.31x = 2,794,084,100.70
  5. Step 5: Solve for x
    x = 2,794,084,100.70/55,130.31
  6. Step 6: Final answer
    x = 50,681.45

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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.