Home / 116,877.10-175,315.65-57,721.90

Finding the Fourth Proportional to 116,877.10, 175,315.65 and 57,721.90

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Solution

The fourth proportional to 116,877.10, 175,315.65 and 57,721.90 is: 86,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,877.10 : 175,315.65 = 57,721.90 : x
  2. Step 2: Convert to fraction form
    116,877.10/175,315.65 = 57,721.90/x
  3. Step 3: Cross multiply
    116,877.10x = 175,315.65 × 57,721.90
  4. Step 4: Simplify right side
    116,877.10x = 10,119,552,417.74
  5. Step 5: Solve for x
    x = 10,119,552,417.74/116,877.10
  6. Step 6: Final answer
    x = 86,582.85

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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.