Home / 76,732.29-105,895.89-46,518.90

Finding the Fourth Proportional to 76,732.29, 105,895.89 and 46,518.90

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Solution

The fourth proportional to 76,732.29, 105,895.89 and 46,518.90 is: 64,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,732.29 : 105,895.89 = 46,518.90 : x
  2. Step 2: Convert to fraction form
    76,732.29/105,895.89 = 46,518.90/x
  3. Step 3: Cross multiply
    76,732.29x = 105,895.89 × 46,518.90
  4. Step 4: Simplify right side
    76,732.29x = 4,926,160,317.32
  5. Step 5: Solve for x
    x = 4,926,160,317.32/76,732.29
  6. Step 6: Final answer
    x = 64,199.31

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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.