Home / 56,368.78-77,611.86-47,853.26

Finding the Fourth Proportional to 56,368.78, 77,611.86 and 47,853.26

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Solution

The fourth proportional to 56,368.78, 77,611.86 and 47,853.26 is: 65,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,368.78 : 77,611.86 = 47,853.26 : x
  2. Step 2: Convert to fraction form
    56,368.78/77,611.86 = 47,853.26/x
  3. Step 3: Cross multiply
    56,368.78x = 77,611.86 × 47,853.26
  4. Step 4: Simplify right side
    56,368.78x = 3,713,980,515.66
  5. Step 5: Solve for x
    x = 3,713,980,515.66/56,368.78
  6. Step 6: Final answer
    x = 65,887.19

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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.