Home / 96,681.42-133,331.13-64,434.15

Finding the Fourth Proportional to 96,681.42, 133,331.13 and 64,434.15

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Solution

The fourth proportional to 96,681.42, 133,331.13 and 64,434.15 is: 88,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,681.42 : 133,331.13 = 64,434.15 : x
  2. Step 2: Convert to fraction form
    96,681.42/133,331.13 = 64,434.15/x
  3. Step 3: Cross multiply
    96,681.42x = 133,331.13 × 64,434.15
  4. Step 4: Simplify right side
    96,681.42x = 8,591,078,030.09
  5. Step 5: Solve for x
    x = 8,591,078,030.09/96,681.42
  6. Step 6: Final answer
    x = 88,859.66

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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.