Home / 74,875.17-111,582.98-72,716.07

Finding the Fourth Proportional to 74,875.17, 111,582.98 and 72,716.07

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Solution

The fourth proportional to 74,875.17, 111,582.98 and 72,716.07 is: 108,365.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,875.17 : 111,582.98 = 72,716.07 : x
  2. Step 2: Convert to fraction form
    74,875.17/111,582.98 = 72,716.07/x
  3. Step 3: Cross multiply
    74,875.17x = 111,582.98 × 72,716.07
  4. Step 4: Simplify right side
    74,875.17x = 8,113,875,966.28
  5. Step 5: Solve for x
    x = 8,113,875,966.28/74,875.17
  6. Step 6: Final answer
    x = 108,365.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.