Home / 56,113.11-77,538.74-53,379.63

Finding the Fourth Proportional to 56,113.11, 77,538.74 and 53,379.63

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Solution

The fourth proportional to 56,113.11, 77,538.74 and 53,379.63 is: 73,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,113.11 : 77,538.74 = 53,379.63 : x
  2. Step 2: Convert to fraction form
    56,113.11/77,538.74 = 53,379.63/x
  3. Step 3: Cross multiply
    56,113.11x = 77,538.74 × 53,379.63
  4. Step 4: Simplify right side
    56,113.11x = 4,138,988,984.97
  5. Step 5: Solve for x
    x = 4,138,988,984.97/56,113.11
  6. Step 6: Final answer
    x = 73,761.53

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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.