Home / 74,011.57-102,147.49-48,591.67

Finding the Fourth Proportional to 74,011.57, 102,147.49 and 48,591.67

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Solution

The fourth proportional to 74,011.57, 102,147.49 and 48,591.67 is: 67,064.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,011.57 : 102,147.49 = 48,591.67 : x
  2. Step 2: Convert to fraction form
    74,011.57/102,147.49 = 48,591.67/x
  3. Step 3: Cross multiply
    74,011.57x = 102,147.49 × 48,591.67
  4. Step 4: Simplify right side
    74,011.57x = 4,963,516,848.98
  5. Step 5: Solve for x
    x = 4,963,516,848.98/74,011.57
  6. Step 6: Final answer
    x = 67,064.07

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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.