Home / 63,543.15-87,780.83-50,779.62

Finding the Fourth Proportional to 63,543.15, 87,780.83 and 50,779.62

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Solution

The fourth proportional to 63,543.15, 87,780.83 and 50,779.62 is: 70,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,543.15 : 87,780.83 = 50,779.62 : x
  2. Step 2: Convert to fraction form
    63,543.15/87,780.83 = 50,779.62/x
  3. Step 3: Cross multiply
    63,543.15x = 87,780.83 × 50,779.62
  4. Step 4: Simplify right side
    63,543.15x = 4,457,476,936.79
  5. Step 5: Solve for x
    x = 4,457,476,936.79/63,543.15
  6. Step 6: Final answer
    x = 70,148.82

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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.