Home / 79,303.16-109,439.76-43,492.85

Finding the Fourth Proportional to 79,303.16, 109,439.76 and 43,492.85

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Solution

The fourth proportional to 79,303.16, 109,439.76 and 43,492.85 is: 60,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,303.16 : 109,439.76 = 43,492.85 : x
  2. Step 2: Convert to fraction form
    79,303.16/109,439.76 = 43,492.85/x
  3. Step 3: Cross multiply
    79,303.16x = 109,439.76 × 43,492.85
  4. Step 4: Simplify right side
    79,303.16x = 4,759,846,518.52
  5. Step 5: Solve for x
    x = 4,759,846,518.52/79,303.16
  6. Step 6: Final answer
    x = 60,020.90

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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.