Home / 55,470.06-76,635.54-52,739.01

Finding the Fourth Proportional to 55,470.06, 76,635.54 and 52,739.01

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Solution

The fourth proportional to 55,470.06, 76,635.54 and 52,739.01 is: 72,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,470.06 : 76,635.54 = 52,739.01 : x
  2. Step 2: Convert to fraction form
    55,470.06/76,635.54 = 52,739.01/x
  3. Step 3: Cross multiply
    55,470.06x = 76,635.54 × 52,739.01
  4. Step 4: Simplify right side
    55,470.06x = 4,041,682,510.42
  5. Step 5: Solve for x
    x = 4,041,682,510.42/55,470.06
  6. Step 6: Final answer
    x = 72,862.41

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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.