Home / 96,780.72-145,223.80-37,618.64

Finding the Fourth Proportional to 96,780.72, 145,223.80 and 37,618.64

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Solution

The fourth proportional to 96,780.72, 145,223.80 and 37,618.64 is: 56,448.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,780.72 : 145,223.80 = 37,618.64 : x
  2. Step 2: Convert to fraction form
    96,780.72/145,223.80 = 37,618.64/x
  3. Step 3: Cross multiply
    96,780.72x = 145,223.80 × 37,618.64
  4. Step 4: Simplify right side
    96,780.72x = 5,463,121,851.63
  5. Step 5: Solve for x
    x = 5,463,121,851.63/96,780.72
  6. Step 6: Final answer
    x = 56,448.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.