Home / 48,079.26-66,349.29-28,970.10

Finding the Fourth Proportional to 48,079.26, 66,349.29 and 28,970.10

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Solution

The fourth proportional to 48,079.26, 66,349.29 and 28,970.10 is: 39,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,079.26 : 66,349.29 = 28,970.10 : x
  2. Step 2: Convert to fraction form
    48,079.26/66,349.29 = 28,970.10/x
  3. Step 3: Cross multiply
    48,079.26x = 66,349.29 × 28,970.10
  4. Step 4: Simplify right side
    48,079.26x = 1,922,145,566.23
  5. Step 5: Solve for x
    x = 1,922,145,566.23/48,079.26
  6. Step 6: Final answer
    x = 39,978.68

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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.