Home / 69,124.14-103,699.77-31,685.13

Finding the Fourth Proportional to 69,124.14, 103,699.77 and 31,685.13

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Solution

The fourth proportional to 69,124.14, 103,699.77 and 31,685.13 is: 47,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,124.14 : 103,699.77 = 31,685.13 : x
  2. Step 2: Convert to fraction form
    69,124.14/103,699.77 = 31,685.13/x
  3. Step 3: Cross multiply
    69,124.14x = 103,699.77 × 31,685.13
  4. Step 4: Simplify right side
    69,124.14x = 3,285,740,693.42
  5. Step 5: Solve for x
    x = 3,285,740,693.42/69,124.14
  6. Step 6: Final answer
    x = 47,533.91

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1.5x scale

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.