Home / 72,263.10-108,378.45-47,477.10

Finding the Fourth Proportional to 72,263.10, 108,378.45 and 47,477.10

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Solution

The fourth proportional to 72,263.10, 108,378.45 and 47,477.10 is: 71,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,263.10 : 108,378.45 = 47,477.10 : x
  2. Step 2: Convert to fraction form
    72,263.10/108,378.45 = 47,477.10/x
  3. Step 3: Cross multiply
    72,263.10x = 108,378.45 × 47,477.10
  4. Step 4: Simplify right side
    72,263.10x = 5,145,494,508.50
  5. Step 5: Solve for x
    x = 5,145,494,508.50/72,263.10
  6. Step 6: Final answer
    x = 71,205.01

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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.