Home / 56,927.07-78,555.27-31,429.32

Finding the Fourth Proportional to 56,927.07, 78,555.27 and 31,429.32

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Solution

The fourth proportional to 56,927.07, 78,555.27 and 31,429.32 is: 43,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,927.07 : 78,555.27 = 31,429.32 : x
  2. Step 2: Convert to fraction form
    56,927.07/78,555.27 = 31,429.32/x
  3. Step 3: Cross multiply
    56,927.07x = 78,555.27 × 31,429.32
  4. Step 4: Simplify right side
    56,927.07x = 2,468,938,718.52
  5. Step 5: Solve for x
    x = 2,468,938,718.52/56,927.07
  6. Step 6: Final answer
    x = 43,370.21

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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.