Home / 76,492.25-105,556.92-42,036.90

Finding the Fourth Proportional to 76,492.25, 105,556.92 and 42,036.90

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Solution

The fourth proportional to 76,492.25, 105,556.92 and 42,036.90 is: 58,009.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,492.25 : 105,556.92 = 42,036.90 : x
  2. Step 2: Convert to fraction form
    76,492.25/105,556.92 = 42,036.90/x
  3. Step 3: Cross multiply
    76,492.25x = 105,556.92 × 42,036.90
  4. Step 4: Simplify right side
    76,492.25x = 4,437,285,690.35
  5. Step 5: Solve for x
    x = 4,437,285,690.35/76,492.25
  6. Step 6: Final answer
    x = 58,009.61

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1.5x scale

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.