Home / 75,875.47-104,713.95-41,890.51

Finding the Fourth Proportional to 75,875.47, 104,713.95 and 41,890.51

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Solution

The fourth proportional to 75,875.47, 104,713.95 and 41,890.51 is: 57,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,875.47 : 104,713.95 = 41,890.51 : x
  2. Step 2: Convert to fraction form
    75,875.47/104,713.95 = 41,890.51/x
  3. Step 3: Cross multiply
    75,875.47x = 104,713.95 × 41,890.51
  4. Step 4: Simplify right side
    75,875.47x = 4,386,520,769.61
  5. Step 5: Solve for x
    x = 4,386,520,769.61/75,875.47
  6. Step 6: Final answer
    x = 57,812.11

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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.