Home / 56,495.09-77,963.00-31,001.87

Finding the Fourth Proportional to 56,495.09, 77,963.00 and 31,001.87

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Solution

The fourth proportional to 56,495.09, 77,963.00 and 31,001.87 is: 42,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.09 : 77,963.00 = 31,001.87 : x
  2. Step 2: Convert to fraction form
    56,495.09/77,963.00 = 31,001.87/x
  3. Step 3: Cross multiply
    56,495.09x = 77,963.00 × 31,001.87
  4. Step 4: Simplify right side
    56,495.09x = 2,416,999,063.22
  5. Step 5: Solve for x
    x = 2,416,999,063.22/56,495.09
  6. Step 6: Final answer
    x = 42,782.47

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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.