Home / 53,989.04-74,511.36-31,633.04

Finding the Fourth Proportional to 53,989.04, 74,511.36 and 31,633.04

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Solution

The fourth proportional to 53,989.04, 74,511.36 and 31,633.04 is: 43,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,989.04 : 74,511.36 = 31,633.04 : x
  2. Step 2: Convert to fraction form
    53,989.04/74,511.36 = 31,633.04/x
  3. Step 3: Cross multiply
    53,989.04x = 74,511.36 × 31,633.04
  4. Step 4: Simplify right side
    53,989.04x = 2,357,020,831.33
  5. Step 5: Solve for x
    x = 2,357,020,831.33/53,989.04
  6. Step 6: Final answer
    x = 43,657.39

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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.