Home / 75,686.08-104,446.72-42,152

Finding the Fourth Proportional to 75,686.08, 104,446.72 and 42,152

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Solution

The fourth proportional to 75,686.08, 104,446.72 and 42,152 is: 58,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,686.08 : 104,446.72 = 42,152 : x
  2. Step 2: Convert to fraction form
    75,686.08/104,446.72 = 42,152/x
  3. Step 3: Cross multiply
    75,686.08x = 104,446.72 × 42,152
  4. Step 4: Simplify right side
    75,686.08x = 4,402,638,141.44
  5. Step 5: Solve for x
    x = 4,402,638,141.44/75,686.08
  6. Step 6: Final answer
    x = 58,169.72

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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.