Home / 53,897.76-74,382.84-31,242.60

Finding the Fourth Proportional to 53,897.76, 74,382.84 and 31,242.60

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Solution

The fourth proportional to 53,897.76, 74,382.84 and 31,242.60 is: 43,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,897.76 : 74,382.84 = 31,242.60 : x
  2. Step 2: Convert to fraction form
    53,897.76/74,382.84 = 31,242.60/x
  3. Step 3: Cross multiply
    53,897.76x = 74,382.84 × 31,242.60
  4. Step 4: Simplify right side
    53,897.76x = 2,323,913,316.98
  5. Step 5: Solve for x
    x = 2,323,913,316.98/53,897.76
  6. Step 6: Final answer
    x = 43,117.07

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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.