Home / 72,000.25-99,247.19-49,299.98

Finding the Fourth Proportional to 72,000.25, 99,247.19 and 49,299.98

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Solution

The fourth proportional to 72,000.25, 99,247.19 and 49,299.98 is: 67,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,000.25 : 99,247.19 = 49,299.98 : x
  2. Step 2: Convert to fraction form
    72,000.25/99,247.19 = 49,299.98/x
  3. Step 3: Cross multiply
    72,000.25x = 99,247.19 × 49,299.98
  4. Step 4: Simplify right side
    72,000.25x = 4,892,884,482.06
  5. Step 5: Solve for x
    x = 4,892,884,482.06/72,000.25
  6. Step 6: Final answer
    x = 67,956.50

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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.