Home / 76,142.76-105,098.13-44,317.80

Finding the Fourth Proportional to 76,142.76, 105,098.13 and 44,317.80

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Solution

The fourth proportional to 76,142.76, 105,098.13 and 44,317.80 is: 61,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,142.76 : 105,098.13 = 44,317.80 : x
  2. Step 2: Convert to fraction form
    76,142.76/105,098.13 = 44,317.80/x
  3. Step 3: Cross multiply
    76,142.76x = 105,098.13 × 44,317.80
  4. Step 4: Simplify right side
    76,142.76x = 4,657,717,905.71
  5. Step 5: Solve for x
    x = 4,657,717,905.71/76,142.76
  6. Step 6: Final answer
    x = 61,170.86

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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.