Home / 49,965.60-74,948.40-13,029.60

Finding the Fourth Proportional to 49,965.60, 74,948.40 and 13,029.60

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Solution

The fourth proportional to 49,965.60, 74,948.40 and 13,029.60 is: 19,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,965.60 : 74,948.40 = 13,029.60 : x
  2. Step 2: Convert to fraction form
    49,965.60/74,948.40 = 13,029.60/x
  3. Step 3: Cross multiply
    49,965.60x = 74,948.40 × 13,029.60
  4. Step 4: Simplify right side
    49,965.60x = 976,547,672.64
  5. Step 5: Solve for x
    x = 976,547,672.64/49,965.60
  6. Step 6: Final answer
    x = 19,544.40

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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.