Home / 55,767.02-76,531.60-55,373.36

Finding the Fourth Proportional to 55,767.02, 76,531.60 and 55,373.36

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Solution

The fourth proportional to 55,767.02, 76,531.60 and 55,373.36 is: 75,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,767.02 : 76,531.60 = 55,373.36 : x
  2. Step 2: Convert to fraction form
    55,767.02/76,531.60 = 55,373.36/x
  3. Step 3: Cross multiply
    55,767.02x = 76,531.60 × 55,373.36
  4. Step 4: Simplify right side
    55,767.02x = 4,237,811,838.18
  5. Step 5: Solve for x
    x = 4,237,811,838.18/55,767.02
  6. Step 6: Final answer
    x = 75,991.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.