Home / 124,386.60-186,579.75-30,892.35

Finding the Fourth Proportional to 124,386.60, 186,579.75 and 30,892.35

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Solution

The fourth proportional to 124,386.60, 186,579.75 and 30,892.35 is: 46,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,386.60 : 186,579.75 = 30,892.35 : x
  2. Step 2: Convert to fraction form
    124,386.60/186,579.75 = 30,892.35/x
  3. Step 3: Cross multiply
    124,386.60x = 186,579.75 × 30,892.35
  4. Step 4: Simplify right side
    124,386.60x = 5,763,886,939.91
  5. Step 5: Solve for x
    x = 5,763,886,939.91/124,386.60
  6. Step 6: Final answer
    x = 46,338.49

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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.