Home / 69,995.12-105,036.48-46,637.96

Finding the Fourth Proportional to 69,995.12, 105,036.48 and 46,637.96

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Solution

The fourth proportional to 69,995.12, 105,036.48 and 46,637.96 is: 69,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,995.12 : 105,036.48 = 46,637.96 : x
  2. Step 2: Convert to fraction form
    69,995.12/105,036.48 = 46,637.96/x
  3. Step 3: Cross multiply
    69,995.12x = 105,036.48 × 46,637.96
  4. Step 4: Simplify right side
    69,995.12x = 4,898,687,152.78
  5. Step 5: Solve for x
    x = 4,898,687,152.78/69,995.12
  6. Step 6: Final answer
    x = 69,986.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.