Home / 82,415.02-113,713.65-55,607.26

Finding the Fourth Proportional to 82,415.02, 113,713.65 and 55,607.26

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Solution

The fourth proportional to 82,415.02, 113,713.65 and 55,607.26 is: 76,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,415.02 : 113,713.65 = 55,607.26 : x
  2. Step 2: Convert to fraction form
    82,415.02/113,713.65 = 55,607.26/x
  3. Step 3: Cross multiply
    82,415.02x = 113,713.65 × 55,607.26
  4. Step 4: Simplify right side
    82,415.02x = 6,323,304,501.10
  5. Step 5: Solve for x
    x = 6,323,304,501.10/82,415.02
  6. Step 6: Final answer
    x = 76,725.15

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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.