Home / 123,783.48-185,685.12-39,555.63

Finding the Fourth Proportional to 123,783.48, 185,685.12 and 39,555.63

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Solution

The fourth proportional to 123,783.48, 185,685.12 and 39,555.63 is: 59,336.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,783.48 : 185,685.12 = 39,555.63 : x
  2. Step 2: Convert to fraction form
    123,783.48/185,685.12 = 39,555.63/x
  3. Step 3: Cross multiply
    123,783.48x = 185,685.12 × 39,555.63
  4. Step 4: Simplify right side
    123,783.48x = 7,344,891,903.23
  5. Step 5: Solve for x
    x = 7,344,891,903.23/123,783.48
  6. Step 6: Final answer
    x = 59,336.61

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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.