Home / 77,600.34-116,444.25-77,007.42

Finding the Fourth Proportional to 77,600.34, 116,444.25 and 77,007.42

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Solution

The fourth proportional to 77,600.34, 116,444.25 and 77,007.42 is: 115,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,600.34 : 116,444.25 = 77,007.42 : x
  2. Step 2: Convert to fraction form
    77,600.34/116,444.25 = 77,007.42/x
  3. Step 3: Cross multiply
    77,600.34x = 116,444.25 × 77,007.42
  4. Step 4: Simplify right side
    77,600.34x = 8,967,071,266.34
  5. Step 5: Solve for x
    x = 8,967,071,266.34/77,600.34
  6. Step 6: Final answer
    x = 115,554.54

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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.