Home / 79,430.65-109,586.88-50,767.08

Finding the Fourth Proportional to 79,430.65, 109,586.88 and 50,767.08

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Solution

The fourth proportional to 79,430.65, 109,586.88 and 50,767.08 is: 70,041.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,430.65 : 109,586.88 = 50,767.08 : x
  2. Step 2: Convert to fraction form
    79,430.65/109,586.88 = 50,767.08/x
  3. Step 3: Cross multiply
    79,430.65x = 109,586.88 × 50,767.08
  4. Step 4: Simplify right side
    79,430.65x = 5,563,405,903.91
  5. Step 5: Solve for x
    x = 5,563,405,903.91/79,430.65
  6. Step 6: Final answer
    x = 70,041.05

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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.