Home / 125,828.06-188,683.76-46,921.10

Finding the Fourth Proportional to 125,828.06, 188,683.76 and 46,921.10

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Solution

The fourth proportional to 125,828.06, 188,683.76 and 46,921.10 is: 70,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,828.06 : 188,683.76 = 46,921.10 : x
  2. Step 2: Convert to fraction form
    125,828.06/188,683.76 = 46,921.10/x
  3. Step 3: Cross multiply
    125,828.06x = 188,683.76 × 46,921.10
  4. Step 4: Simplify right side
    125,828.06x = 8,853,248,393.31
  5. Step 5: Solve for x
    x = 8,853,248,393.31/125,828.06
  6. Step 6: Final answer
    x = 70,359.89

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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.