Home / 96,778.69-133,551.15-54,339.01

Finding the Fourth Proportional to 96,778.69, 133,551.15 and 54,339.01

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Solution

The fourth proportional to 96,778.69, 133,551.15 and 54,339.01 is: 74,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,778.69 : 133,551.15 = 54,339.01 : x
  2. Step 2: Convert to fraction form
    96,778.69/133,551.15 = 54,339.01/x
  3. Step 3: Cross multiply
    96,778.69x = 133,551.15 × 54,339.01
  4. Step 4: Simplify right side
    96,778.69x = 7,257,037,275.36
  5. Step 5: Solve for x
    x = 7,257,037,275.36/96,778.69
  6. Step 6: Final answer
    x = 74,985.90

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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.