Home / 81,403.02-112,337.29-53,092.46

Finding the Fourth Proportional to 81,403.02, 112,337.29 and 53,092.46

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Solution

The fourth proportional to 81,403.02, 112,337.29 and 53,092.46 is: 73,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,403.02 : 112,337.29 = 53,092.46 : x
  2. Step 2: Convert to fraction form
    81,403.02/112,337.29 = 53,092.46/x
  3. Step 3: Cross multiply
    81,403.02x = 112,337.29 × 53,092.46
  4. Step 4: Simplify right side
    81,403.02x = 5,964,263,075.83
  5. Step 5: Solve for x
    x = 5,964,263,075.83/81,403.02
  6. Step 6: Final answer
    x = 73,268.33

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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.