Home / 52,875.09-72,910.62-40,151.61

Finding the Fourth Proportional to 52,875.09, 72,910.62 and 40,151.61

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Solution

The fourth proportional to 52,875.09, 72,910.62 and 40,151.61 is: 55,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,875.09 : 72,910.62 = 40,151.61 : x
  2. Step 2: Convert to fraction form
    52,875.09/72,910.62 = 40,151.61/x
  3. Step 3: Cross multiply
    52,875.09x = 72,910.62 × 40,151.61
  4. Step 4: Simplify right side
    52,875.09x = 2,927,478,779.10
  5. Step 5: Solve for x
    x = 2,927,478,779.10/52,875.09
  6. Step 6: Final answer
    x = 55,365.93

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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.