Home / 77,389.04-116,077.08-54,806.32

Finding the Fourth Proportional to 77,389.04, 116,077.08 and 54,806.32

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Solution

The fourth proportional to 77,389.04, 116,077.08 and 54,806.32 is: 82,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,389.04 : 116,077.08 = 54,806.32 : x
  2. Step 2: Convert to fraction form
    77,389.04/116,077.08 = 54,806.32/x
  3. Step 3: Cross multiply
    77,389.04x = 116,077.08 × 54,806.32
  4. Step 4: Simplify right side
    77,389.04x = 6,361,757,591.15
  5. Step 5: Solve for x
    x = 6,361,757,591.15/77,389.04
  6. Step 6: Final answer
    x = 82,204.89

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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.