Home / 55,079.70-75,985.20-33,851.22

Finding the Fourth Proportional to 55,079.70, 75,985.20 and 33,851.22

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Solution

The fourth proportional to 55,079.70, 75,985.20 and 33,851.22 is: 46,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,079.70 : 75,985.20 = 33,851.22 : x
  2. Step 2: Convert to fraction form
    55,079.70/75,985.20 = 33,851.22/x
  3. Step 3: Cross multiply
    55,079.70x = 75,985.20 × 33,851.22
  4. Step 4: Simplify right side
    55,079.70x = 2,572,191,721.94
  5. Step 5: Solve for x
    x = 2,572,191,721.94/55,079.70
  6. Step 6: Final answer
    x = 46,699.45

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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.