Home / 82,170.12-113,394.54-44,444.28

Finding the Fourth Proportional to 82,170.12, 113,394.54 and 44,444.28

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Solution

The fourth proportional to 82,170.12, 113,394.54 and 44,444.28 is: 61,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,170.12 : 113,394.54 = 44,444.28 : x
  2. Step 2: Convert to fraction form
    82,170.12/113,394.54 = 44,444.28/x
  3. Step 3: Cross multiply
    82,170.12x = 113,394.54 × 44,444.28
  4. Step 4: Simplify right side
    82,170.12x = 5,039,738,686.23
  5. Step 5: Solve for x
    x = 5,039,738,686.23/82,170.12
  6. Step 6: Final answer
    x = 61,332.98

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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.