Home / 55,024.02-75,934.98-31,150.26

Finding the Fourth Proportional to 55,024.02, 75,934.98 and 31,150.26

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Solution

The fourth proportional to 55,024.02, 75,934.98 and 31,150.26 is: 42,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,024.02 : 75,934.98 = 31,150.26 : x
  2. Step 2: Convert to fraction form
    55,024.02/75,934.98 = 31,150.26/x
  3. Step 3: Cross multiply
    55,024.02x = 75,934.98 × 31,150.26
  4. Step 4: Simplify right side
    55,024.02x = 2,365,394,370.09
  5. Step 5: Solve for x
    x = 2,365,394,370.09/55,024.02
  6. Step 6: Final answer
    x = 42,988.40

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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.