Home / 56,717.08-78,220.29-36,567.52

Finding the Fourth Proportional to 56,717.08, 78,220.29 and 36,567.52

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Solution

The fourth proportional to 56,717.08, 78,220.29 and 36,567.52 is: 50,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,717.08 : 78,220.29 = 36,567.52 : x
  2. Step 2: Convert to fraction form
    56,717.08/78,220.29 = 36,567.52/x
  3. Step 3: Cross multiply
    56,717.08x = 78,220.29 × 36,567.52
  4. Step 4: Simplify right side
    56,717.08x = 2,860,322,018.98
  5. Step 5: Solve for x
    x = 2,860,322,018.98/56,717.08
  6. Step 6: Final answer
    x = 50,431.40

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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.