Home / 55,117.20-82,675.80-49,212.30

Finding the Fourth Proportional to 55,117.20, 82,675.80 and 49,212.30

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Solution

The fourth proportional to 55,117.20, 82,675.80 and 49,212.30 is: 73,818.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.20 : 82,675.80 = 49,212.30 : x
  2. Step 2: Convert to fraction form
    55,117.20/82,675.80 = 49,212.30/x
  3. Step 3: Cross multiply
    55,117.20x = 82,675.80 × 49,212.30
  4. Step 4: Simplify right side
    55,117.20x = 4,068,666,272.34
  5. Step 5: Solve for x
    x = 4,068,666,272.34/55,117.20
  6. Step 6: Final answer
    x = 73,818.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.