Home / 74,303.29-111,314.80-57,581.58

Finding the Fourth Proportional to 74,303.29, 111,314.80 and 57,581.58

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Solution

The fourth proportional to 74,303.29, 111,314.80 and 57,581.58 is: 86,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,303.29 : 111,314.80 = 57,581.58 : x
  2. Step 2: Convert to fraction form
    74,303.29/111,314.80 = 57,581.58/x
  3. Step 3: Cross multiply
    74,303.29x = 111,314.80 × 57,581.58
  4. Step 4: Simplify right side
    74,303.29x = 6,409,682,061.38
  5. Step 5: Solve for x
    x = 6,409,682,061.38/74,303.29
  6. Step 6: Final answer
    x = 86,263.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.