Home / 76,580.15-105,665.09-44,742.89

Finding the Fourth Proportional to 76,580.15, 105,665.09 and 44,742.89

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Solution

The fourth proportional to 76,580.15, 105,665.09 and 44,742.89 is: 61,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,580.15 : 105,665.09 = 44,742.89 : x
  2. Step 2: Convert to fraction form
    76,580.15/105,665.09 = 44,742.89/x
  3. Step 3: Cross multiply
    76,580.15x = 105,665.09 × 44,742.89
  4. Step 4: Simplify right side
    76,580.15x = 4,727,761,498.71
  5. Step 5: Solve for x
    x = 4,727,761,498.71/76,580.15
  6. Step 6: Final answer
    x = 61,736.13

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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.