Home / 76,421.01-105,473.56-44,589.83

Finding the Fourth Proportional to 76,421.01, 105,473.56 and 44,589.83

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Solution

The fourth proportional to 76,421.01, 105,473.56 and 44,589.83 is: 61,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,421.01 : 105,473.56 = 44,589.83 : x
  2. Step 2: Convert to fraction form
    76,421.01/105,473.56 = 44,589.83/x
  3. Step 3: Cross multiply
    76,421.01x = 105,473.56 × 44,589.83
  4. Step 4: Simplify right side
    76,421.01x = 4,703,048,109.89
  5. Step 5: Solve for x
    x = 4,703,048,109.89/76,421.01
  6. Step 6: Final answer
    x = 61,541.30

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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.