Home / 76,221.71-114,345.42-26,288.45

Finding the Fourth Proportional to 76,221.71, 114,345.42 and 26,288.45

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Solution

The fourth proportional to 76,221.71, 114,345.42 and 26,288.45 is: 39,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,221.71 : 114,345.42 = 26,288.45 : x
  2. Step 2: Convert to fraction form
    76,221.71/114,345.42 = 26,288.45/x
  3. Step 3: Cross multiply
    76,221.71x = 114,345.42 × 26,288.45
  4. Step 4: Simplify right side
    76,221.71x = 3,005,963,153.23
  5. Step 5: Solve for x
    x = 3,005,963,153.23/76,221.71
  6. Step 6: Final answer
    x = 39,437.10

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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.