Home / 56,759.74-85,139.36-17,316.72

Finding the Fourth Proportional to 56,759.74, 85,139.36 and 17,316.72

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Solution

The fourth proportional to 56,759.74, 85,139.36 and 17,316.72 is: 25,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,759.74 : 85,139.36 = 17,316.72 : x
  2. Step 2: Convert to fraction form
    56,759.74/85,139.36 = 17,316.72/x
  3. Step 3: Cross multiply
    56,759.74x = 85,139.36 × 17,316.72
  4. Step 4: Simplify right side
    56,759.74x = 1,474,334,458.10
  5. Step 5: Solve for x
    x = 1,474,334,458.10/56,759.74
  6. Step 6: Final answer
    x = 25,975.00

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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.