Home / 80,478.03-111,054.47-44,668.05

Finding the Fourth Proportional to 80,478.03, 111,054.47 and 44,668.05

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Solution

The fourth proportional to 80,478.03, 111,054.47 and 44,668.05 is: 61,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,478.03 : 111,054.47 = 44,668.05 : x
  2. Step 2: Convert to fraction form
    80,478.03/111,054.47 = 44,668.05/x
  3. Step 3: Cross multiply
    80,478.03x = 111,054.47 × 44,668.05
  4. Step 4: Simplify right side
    80,478.03x = 4,960,586,395.34
  5. Step 5: Solve for x
    x = 4,960,586,395.34/80,478.03
  6. Step 6: Final answer
    x = 61,639.01

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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.