Home / 96,480.09-133,142.93-56,221.47

Finding the Fourth Proportional to 96,480.09, 133,142.93 and 56,221.47

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Solution

The fourth proportional to 96,480.09, 133,142.93 and 56,221.47 is: 77,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,480.09 : 133,142.93 = 56,221.47 : x
  2. Step 2: Convert to fraction form
    96,480.09/133,142.93 = 56,221.47/x
  3. Step 3: Cross multiply
    96,480.09x = 133,142.93 × 56,221.47
  4. Step 4: Simplify right side
    96,480.09x = 7,485,490,297.89
  5. Step 5: Solve for x
    x = 7,485,490,297.89/96,480.09
  6. Step 6: Final answer
    x = 77,585.86

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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.