Home / 96,780.63-133,557.27-54,339.16

Finding the Fourth Proportional to 96,780.63, 133,557.27 and 54,339.16

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Solution

The fourth proportional to 96,780.63, 133,557.27 and 54,339.16 is: 74,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,780.63 : 133,557.27 = 54,339.16 : x
  2. Step 2: Convert to fraction form
    96,780.63/133,557.27 = 54,339.16/x
  3. Step 3: Cross multiply
    96,780.63x = 133,557.27 × 54,339.16
  4. Step 4: Simplify right side
    96,780.63x = 7,257,389,863.69
  5. Step 5: Solve for x
    x = 7,257,389,863.69/96,780.63
  6. Step 6: Final answer
    x = 74,988.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.