Home / 77,456.55-106,895.60-43,468.35

Finding the Fourth Proportional to 77,456.55, 106,895.60 and 43,468.35

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Solution

The fourth proportional to 77,456.55, 106,895.60 and 43,468.35 is: 59,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,456.55 : 106,895.60 = 43,468.35 : x
  2. Step 2: Convert to fraction form
    77,456.55/106,895.60 = 43,468.35/x
  3. Step 3: Cross multiply
    77,456.55x = 106,895.60 × 43,468.35
  4. Step 4: Simplify right side
    77,456.55x = 4,646,574,899.07
  5. Step 5: Solve for x
    x = 4,646,574,899.07/77,456.55
  6. Step 6: Final answer
    x = 59,989.44

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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.