Home / 50,699.41-69,970.16-28,043.71

Finding the Fourth Proportional to 50,699.41, 69,970.16 and 28,043.71

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Solution

The fourth proportional to 50,699.41, 69,970.16 and 28,043.71 is: 38,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699.41 : 69,970.16 = 28,043.71 : x
  2. Step 2: Convert to fraction form
    50,699.41/69,970.16 = 28,043.71/x
  3. Step 3: Cross multiply
    50,699.41x = 69,970.16 × 28,043.71
  4. Step 4: Simplify right side
    50,699.41x = 1,962,222,875.69
  5. Step 5: Solve for x
    x = 1,962,222,875.69/50,699.41
  6. Step 6: Final answer
    x = 38,703.07

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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.