Home / 76,446.24-105,497.04-42,911.52

Finding the Fourth Proportional to 76,446.24, 105,497.04 and 42,911.52

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Solution

The fourth proportional to 76,446.24, 105,497.04 and 42,911.52 is: 59,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,446.24 : 105,497.04 = 42,911.52 : x
  2. Step 2: Convert to fraction form
    76,446.24/105,497.04 = 42,911.52/x
  3. Step 3: Cross multiply
    76,446.24x = 105,497.04 × 42,911.52
  4. Step 4: Simplify right side
    76,446.24x = 4,527,038,341.90
  5. Step 5: Solve for x
    x = 4,527,038,341.90/76,446.24
  6. Step 6: Final answer
    x = 59,218.59

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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.