Home / 77,465.15-106,877.54-43,468.64

Finding the Fourth Proportional to 77,465.15, 106,877.54 and 43,468.64

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Solution

The fourth proportional to 77,465.15, 106,877.54 and 43,468.64 is: 59,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,465.15 : 106,877.54 = 43,468.64 : x
  2. Step 2: Convert to fraction form
    77,465.15/106,877.54 = 43,468.64/x
  3. Step 3: Cross multiply
    77,465.15x = 106,877.54 × 43,468.64
  4. Step 4: Simplify right side
    77,465.15x = 4,645,821,310.35
  5. Step 5: Solve for x
    x = 4,645,821,310.35/77,465.15
  6. Step 6: Final answer
    x = 59,973.05

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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.