Home / 55,039.22-75,955.02-31,165.28

Finding the Fourth Proportional to 55,039.22, 75,955.02 and 31,165.28

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Solution

The fourth proportional to 55,039.22, 75,955.02 and 31,165.28 is: 43,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,039.22 : 75,955.02 = 31,165.28 : x
  2. Step 2: Convert to fraction form
    55,039.22/75,955.02 = 31,165.28/x
  3. Step 3: Cross multiply
    55,039.22x = 75,955.02 × 31,165.28
  4. Step 4: Simplify right side
    55,039.22x = 2,367,159,465.71
  5. Step 5: Solve for x
    x = 2,367,159,465.71/55,039.22
  6. Step 6: Final answer
    x = 43,008.59

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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.