Home / 52,718.08-72,752-31,497.36

Finding the Fourth Proportional to 52,718.08, 72,752 and 31,497.36

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Solution

The fourth proportional to 52,718.08, 72,752 and 31,497.36 is: 43,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,718.08 : 72,752 = 31,497.36 : x
  2. Step 2: Convert to fraction form
    52,718.08/72,752 = 31,497.36/x
  3. Step 3: Cross multiply
    52,718.08x = 72,752 × 31,497.36
  4. Step 4: Simplify right side
    52,718.08x = 2,291,495,934.72
  5. Step 5: Solve for x
    x = 2,291,495,934.72/52,718.08
  6. Step 6: Final answer
    x = 43,466.98

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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.