Home / 96,570.09-133,270.83-54,128.63

Finding the Fourth Proportional to 96,570.09, 133,270.83 and 54,128.63

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Solution

The fourth proportional to 96,570.09, 133,270.83 and 54,128.63 is: 74,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,570.09 : 133,270.83 = 54,128.63 : x
  2. Step 2: Convert to fraction form
    96,570.09/133,270.83 = 54,128.63/x
  3. Step 3: Cross multiply
    96,570.09x = 133,270.83 × 54,128.63
  4. Step 4: Simplify right side
    96,570.09x = 7,213,766,780.51
  5. Step 5: Solve for x
    x = 7,213,766,780.51/96,570.09
  6. Step 6: Final answer
    x = 74,699.80

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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.