Home / 53,813.61-74,365.20-40,361.52

Finding the Fourth Proportional to 53,813.61, 74,365.20 and 40,361.52

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Solution

The fourth proportional to 53,813.61, 74,365.20 and 40,361.52 is: 55,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.61 : 74,365.20 = 40,361.52 : x
  2. Step 2: Convert to fraction form
    53,813.61/74,365.20 = 40,361.52/x
  3. Step 3: Cross multiply
    53,813.61x = 74,365.20 × 40,361.52
  4. Step 4: Simplify right side
    53,813.61x = 3,001,492,507.10
  5. Step 5: Solve for x
    x = 3,001,492,507.10/53,813.61
  6. Step 6: Final answer
    x = 55,775.71

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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.