Home / 96,455.90-133,155.35-64,244.12

Finding the Fourth Proportional to 96,455.90, 133,155.35 and 64,244.12

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Solution

The fourth proportional to 96,455.90, 133,155.35 and 64,244.12 is: 88,687.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,455.90 : 133,155.35 = 64,244.12 : x
  2. Step 2: Convert to fraction form
    96,455.90/133,155.35 = 64,244.12/x
  3. Step 3: Cross multiply
    96,455.90x = 133,155.35 × 64,244.12
  4. Step 4: Simplify right side
    96,455.90x = 8,554,447,297.04
  5. Step 5: Solve for x
    x = 8,554,447,297.04/96,455.90
  6. Step 6: Final answer
    x = 88,687.66

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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.