Home / 82,703.24-114,128.40-48,254.56

Finding the Fourth Proportional to 82,703.24, 114,128.40 and 48,254.56

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Solution

The fourth proportional to 82,703.24, 114,128.40 and 48,254.56 is: 66,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,703.24 : 114,128.40 = 48,254.56 : x
  2. Step 2: Convert to fraction form
    82,703.24/114,128.40 = 48,254.56/x
  3. Step 3: Cross multiply
    82,703.24x = 114,128.40 × 48,254.56
  4. Step 4: Simplify right side
    82,703.24x = 5,507,215,725.50
  5. Step 5: Solve for x
    x = 5,507,215,725.50/82,703.24
  6. Step 6: Final answer
    x = 66,590.08

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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.