Home / 80,478.01-111,054.40-44,666.29

Finding the Fourth Proportional to 80,478.01, 111,054.40 and 44,666.29

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Solution

The fourth proportional to 80,478.01, 111,054.40 and 44,666.29 is: 61,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,478.01 : 111,054.40 = 44,666.29 : x
  2. Step 2: Convert to fraction form
    80,478.01/111,054.40 = 44,666.29/x
  3. Step 3: Cross multiply
    80,478.01x = 111,054.40 × 44,666.29
  4. Step 4: Simplify right side
    80,478.01x = 4,960,388,036.18
  5. Step 5: Solve for x
    x = 4,960,388,036.18/80,478.01
  6. Step 6: Final answer
    x = 61,636.56

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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.