Home / 77,490.96-116,309.20-38,076.36

Finding the Fourth Proportional to 77,490.96, 116,309.20 and 38,076.36

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Solution

The fourth proportional to 77,490.96, 116,309.20 and 38,076.36 is: 57,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,490.96 : 116,309.20 = 38,076.36 : x
  2. Step 2: Convert to fraction form
    77,490.96/116,309.20 = 38,076.36/x
  3. Step 3: Cross multiply
    77,490.96x = 116,309.20 × 38,076.36
  4. Step 4: Simplify right side
    77,490.96x = 4,428,630,970.51
  5. Step 5: Solve for x
    x = 4,428,630,970.51/77,490.96
  6. Step 6: Final answer
    x = 57,150.29

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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.