Home / 76,118.40-105,044.04-44,296.74

Finding the Fourth Proportional to 76,118.40, 105,044.04 and 44,296.74

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Solution

The fourth proportional to 76,118.40, 105,044.04 and 44,296.74 is: 61,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,118.40 : 105,044.04 = 44,296.74 : x
  2. Step 2: Convert to fraction form
    76,118.40/105,044.04 = 44,296.74/x
  3. Step 3: Cross multiply
    76,118.40x = 105,044.04 × 44,296.74
  4. Step 4: Simplify right side
    76,118.40x = 4,653,108,528.43
  5. Step 5: Solve for x
    x = 4,653,108,528.43/76,118.40
  6. Step 6: Final answer
    x = 61,129.88

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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.