Home / 124,431.60-186,515.37-61,162.50

Finding the Fourth Proportional to 124,431.60, 186,515.37 and 61,162.50

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Solution

The fourth proportional to 124,431.60, 186,515.37 and 61,162.50 is: 91,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,431.60 : 186,515.37 = 61,162.50 : x
  2. Step 2: Convert to fraction form
    124,431.60/186,515.37 = 61,162.50/x
  3. Step 3: Cross multiply
    124,431.60x = 186,515.37 × 61,162.50
  4. Step 4: Simplify right side
    124,431.60x = 11,407,746,317.63
  5. Step 5: Solve for x
    x = 11,407,746,317.63/124,431.60
  6. Step 6: Final answer
    x = 91,678.85

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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.