Home / 78,049.37-107,711.21-44,059.07

Finding the Fourth Proportional to 78,049.37, 107,711.21 and 44,059.07

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Solution

The fourth proportional to 78,049.37, 107,711.21 and 44,059.07 is: 60,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,049.37 : 107,711.21 = 44,059.07 : x
  2. Step 2: Convert to fraction form
    78,049.37/107,711.21 = 44,059.07/x
  3. Step 3: Cross multiply
    78,049.37x = 107,711.21 × 44,059.07
  4. Step 4: Simplify right side
    78,049.37x = 4,745,655,741.17
  5. Step 5: Solve for x
    x = 4,745,655,741.17/78,049.37
  6. Step 6: Final answer
    x = 60,803.25

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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.