Home / 78,853.03-108,814.08-43,043.00

Finding the Fourth Proportional to 78,853.03, 108,814.08 and 43,043.00

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Solution

The fourth proportional to 78,853.03, 108,814.08 and 43,043.00 is: 59,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,853.03 : 108,814.08 = 43,043.00 : x
  2. Step 2: Convert to fraction form
    78,853.03/108,814.08 = 43,043.00/x
  3. Step 3: Cross multiply
    78,853.03x = 108,814.08 × 43,043.00
  4. Step 4: Simplify right side
    78,853.03x = 4,683,684,062.78
  5. Step 5: Solve for x
    x = 4,683,684,062.78/78,853.03
  6. Step 6: Final answer
    x = 59,397.64

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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.