Home / 77,623.78-116,436.48-42,544.30

Finding the Fourth Proportional to 77,623.78, 116,436.48 and 42,544.30

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Solution

The fourth proportional to 77,623.78, 116,436.48 and 42,544.30 is: 63,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,623.78 : 116,436.48 = 42,544.30 : x
  2. Step 2: Convert to fraction form
    77,623.78/116,436.48 = 42,544.30/x
  3. Step 3: Cross multiply
    77,623.78x = 116,436.48 × 42,544.30
  4. Step 4: Simplify right side
    77,623.78x = 4,953,708,536.06
  5. Step 5: Solve for x
    x = 4,953,708,536.06/77,623.78
  6. Step 6: Final answer
    x = 63,816.89

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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.