Home / 56,125.64-77,428.94-36,980.86

Finding the Fourth Proportional to 56,125.64, 77,428.94 and 36,980.86

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Solution

The fourth proportional to 56,125.64, 77,428.94 and 36,980.86 is: 51,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,125.64 : 77,428.94 = 36,980.86 : x
  2. Step 2: Convert to fraction form
    56,125.64/77,428.94 = 36,980.86/x
  3. Step 3: Cross multiply
    56,125.64x = 77,428.94 × 36,980.86
  4. Step 4: Simplify right side
    56,125.64x = 2,863,388,790.09
  5. Step 5: Solve for x
    x = 2,863,388,790.09/56,125.64
  6. Step 6: Final answer
    x = 51,017.48

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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.