Home / 56,567.25-78,065.25-31,416.75

Finding the Fourth Proportional to 56,567.25, 78,065.25 and 31,416.75

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Solution

The fourth proportional to 56,567.25, 78,065.25 and 31,416.75 is: 43,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,567.25 : 78,065.25 = 31,416.75 : x
  2. Step 2: Convert to fraction form
    56,567.25/78,065.25 = 31,416.75/x
  3. Step 3: Cross multiply
    56,567.25x = 78,065.25 × 31,416.75
  4. Step 4: Simplify right side
    56,567.25x = 2,452,556,442.94
  5. Step 5: Solve for x
    x = 2,452,556,442.94/56,567.25
  6. Step 6: Final answer
    x = 43,356.47

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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.