Home / 77,478.81-116,280.48-40,049.84

Finding the Fourth Proportional to 77,478.81, 116,280.48 and 40,049.84

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Solution

The fourth proportional to 77,478.81, 116,280.48 and 40,049.84 is: 60,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,478.81 : 116,280.48 = 40,049.84 : x
  2. Step 2: Convert to fraction form
    77,478.81/116,280.48 = 40,049.84/x
  3. Step 3: Cross multiply
    77,478.81x = 116,280.48 × 40,049.84
  4. Step 4: Simplify right side
    77,478.81x = 4,657,014,037.72
  5. Step 5: Solve for x
    x = 4,657,014,037.72/77,478.81
  6. Step 6: Final answer
    x = 60,106.94

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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.