Home / 53,783.19-74,350.71-49,299.84

Finding the Fourth Proportional to 53,783.19, 74,350.71 and 49,299.84

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Solution

The fourth proportional to 53,783.19, 74,350.71 and 49,299.84 is: 68,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,783.19 : 74,350.71 = 49,299.84 : x
  2. Step 2: Convert to fraction form
    53,783.19/74,350.71 = 49,299.84/x
  3. Step 3: Cross multiply
    53,783.19x = 74,350.71 × 49,299.84
  4. Step 4: Simplify right side
    53,783.19x = 3,665,478,106.89
  5. Step 5: Solve for x
    x = 3,665,478,106.89/53,783.19
  6. Step 6: Final answer
    x = 68,152.86

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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.