Home / 78,359.56-117,547.54-25,773.14

Finding the Fourth Proportional to 78,359.56, 117,547.54 and 25,773.14

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Solution

The fourth proportional to 78,359.56, 117,547.54 and 25,773.14 is: 38,662.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,359.56 : 117,547.54 = 25,773.14 : x
  2. Step 2: Convert to fraction form
    78,359.56/117,547.54 = 25,773.14/x
  3. Step 3: Cross multiply
    78,359.56x = 117,547.54 × 25,773.14
  4. Step 4: Simplify right side
    78,359.56x = 3,029,569,076.21
  5. Step 5: Solve for x
    x = 3,029,569,076.21/78,359.56
  6. Step 6: Final answer
    x = 38,662.41

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1.5x scale

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.