Home / 96,783.07-133,548.25-56,487.59

Finding the Fourth Proportional to 96,783.07, 133,548.25 and 56,487.59

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Solution

The fourth proportional to 96,783.07, 133,548.25 and 56,487.59 is: 77,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,783.07 : 133,548.25 = 56,487.59 : x
  2. Step 2: Convert to fraction form
    96,783.07/133,548.25 = 56,487.59/x
  3. Step 3: Cross multiply
    96,783.07x = 133,548.25 × 56,487.59
  4. Step 4: Simplify right side
    96,783.07x = 7,543,818,791.22
  5. Step 5: Solve for x
    x = 7,543,818,791.22/96,783.07
  6. Step 6: Final answer
    x = 77,945.64

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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.