Home / 117,899.29-176,788.86-57,931.75

Finding the Fourth Proportional to 117,899.29, 176,788.86 and 57,931.75

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Solution

The fourth proportional to 117,899.29, 176,788.86 and 57,931.75 is: 86,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,899.29 : 176,788.86 = 57,931.75 : x
  2. Step 2: Convert to fraction form
    117,899.29/176,788.86 = 57,931.75/x
  3. Step 3: Cross multiply
    117,899.29x = 176,788.86 × 57,931.75
  4. Step 4: Simplify right side
    117,899.29x = 10,241,688,040.31
  5. Step 5: Solve for x
    x = 10,241,688,040.31/117,899.29
  6. Step 6: Final answer
    x = 86,868.11

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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.