Home / 76,514.76-105,600.06-48,220.20

Finding the Fourth Proportional to 76,514.76, 105,600.06 and 48,220.20

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Solution

The fourth proportional to 76,514.76, 105,600.06 and 48,220.20 is: 66,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,514.76 : 105,600.06 = 48,220.20 : x
  2. Step 2: Convert to fraction form
    76,514.76/105,600.06 = 48,220.20/x
  3. Step 3: Cross multiply
    76,514.76x = 105,600.06 × 48,220.20
  4. Step 4: Simplify right side
    76,514.76x = 5,092,056,013.21
  5. Step 5: Solve for x
    x = 5,092,056,013.21/76,514.76
  6. Step 6: Final answer
    x = 66,549.98

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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.