Home / 78,864.93-108,833.33-43,054.53

Finding the Fourth Proportional to 78,864.93, 108,833.33 and 43,054.53

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Solution

The fourth proportional to 78,864.93, 108,833.33 and 43,054.53 is: 59,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,864.93 : 108,833.33 = 43,054.53 : x
  2. Step 2: Convert to fraction form
    78,864.93/108,833.33 = 43,054.53/x
  3. Step 3: Cross multiply
    78,864.93x = 108,833.33 × 43,054.53
  4. Step 4: Simplify right side
    78,864.93x = 4,685,767,656.21
  5. Step 5: Solve for x
    x = 4,685,767,656.21/78,864.93
  6. Step 6: Final answer
    x = 59,415.10

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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.