Home / 76,039.80-104,925.72-42,045.96

Finding the Fourth Proportional to 76,039.80, 104,925.72 and 42,045.96

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Solution

The fourth proportional to 76,039.80, 104,925.72 and 42,045.96 is: 58,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,039.80 : 104,925.72 = 42,045.96 : x
  2. Step 2: Convert to fraction form
    76,039.80/104,925.72 = 42,045.96/x
  3. Step 3: Cross multiply
    76,039.80x = 104,925.72 × 42,045.96
  4. Step 4: Simplify right side
    76,039.80x = 4,411,702,626.09
  5. Step 5: Solve for x
    x = 4,411,702,626.09/76,039.80
  6. Step 6: Final answer
    x = 58,018.34

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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.