Home / 48,167.02-66,448.31-31,176.72

Finding the Fourth Proportional to 48,167.02, 66,448.31 and 31,176.72

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Solution

The fourth proportional to 48,167.02, 66,448.31 and 31,176.72 is: 43,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,167.02 : 66,448.31 = 31,176.72 : x
  2. Step 2: Convert to fraction form
    48,167.02/66,448.31 = 31,176.72/x
  3. Step 3: Cross multiply
    48,167.02x = 66,448.31 × 31,176.72
  4. Step 4: Simplify right side
    48,167.02x = 2,071,640,199.46
  5. Step 5: Solve for x
    x = 2,071,640,199.46/48,167.02
  6. Step 6: Final answer
    x = 43,009.52

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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.