Home / 76,543.56-105,628.32-44,275.80

Finding the Fourth Proportional to 76,543.56, 105,628.32 and 44,275.80

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Solution

The fourth proportional to 76,543.56, 105,628.32 and 44,275.80 is: 61,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,543.56 : 105,628.32 = 44,275.80 : x
  2. Step 2: Convert to fraction form
    76,543.56/105,628.32 = 44,275.80/x
  3. Step 3: Cross multiply
    76,543.56x = 105,628.32 × 44,275.80
  4. Step 4: Simplify right side
    76,543.56x = 4,676,778,370.66
  5. Step 5: Solve for x
    x = 4,676,778,370.66/76,543.56
  6. Step 6: Final answer
    x = 61,099.57

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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.