Home / 56,686.48-85,027.56-15,133.12

Finding the Fourth Proportional to 56,686.48, 85,027.56 and 15,133.12

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Solution

The fourth proportional to 56,686.48, 85,027.56 and 15,133.12 is: 22,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686.48 : 85,027.56 = 15,133.12 : x
  2. Step 2: Convert to fraction form
    56,686.48/85,027.56 = 15,133.12/x
  3. Step 3: Cross multiply
    56,686.48x = 85,027.56 × 15,133.12
  4. Step 4: Simplify right side
    56,686.48x = 1,286,732,268.79
  5. Step 5: Solve for x
    x = 1,286,732,268.79/56,686.48
  6. Step 6: Final answer
    x = 22,699.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.