Home / 55,387.86-76,444.02-35,223.72

Finding the Fourth Proportional to 55,387.86, 76,444.02 and 35,223.72

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Solution

The fourth proportional to 55,387.86, 76,444.02 and 35,223.72 is: 48,614.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,387.86 : 76,444.02 = 35,223.72 : x
  2. Step 2: Convert to fraction form
    55,387.86/76,444.02 = 35,223.72/x
  3. Step 3: Cross multiply
    55,387.86x = 76,444.02 × 35,223.72
  4. Step 4: Simplify right side
    55,387.86x = 2,692,642,756.15
  5. Step 5: Solve for x
    x = 2,692,642,756.15/55,387.86
  6. Step 6: Final answer
    x = 48,614.31

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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.