Home / 77,955.23-116,939.03-21,795.71

Finding the Fourth Proportional to 77,955.23, 116,939.03 and 21,795.71

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Solution

The fourth proportional to 77,955.23, 116,939.03 and 21,795.71 is: 32,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,955.23 : 116,939.03 = 21,795.71 : x
  2. Step 2: Convert to fraction form
    77,955.23/116,939.03 = 21,795.71/x
  3. Step 3: Cross multiply
    77,955.23x = 116,939.03 × 21,795.71
  4. Step 4: Simplify right side
    77,955.23x = 2,548,768,491.89
  5. Step 5: Solve for x
    x = 2,548,768,491.89/77,955.23
  6. Step 6: Final answer
    x = 32,695.28

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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.