Home / 53,686.13-74,107.53-35,774.60

Finding the Fourth Proportional to 53,686.13, 74,107.53 and 35,774.60

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Solution

The fourth proportional to 53,686.13, 74,107.53 and 35,774.60 is: 49,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.13 : 74,107.53 = 35,774.60 : x
  2. Step 2: Convert to fraction form
    53,686.13/74,107.53 = 35,774.60/x
  3. Step 3: Cross multiply
    53,686.13x = 74,107.53 × 35,774.60
  4. Step 4: Simplify right side
    53,686.13x = 2,651,167,428.01
  5. Step 5: Solve for x
    x = 2,651,167,428.01/53,686.13
  6. Step 6: Final answer
    x = 49,382.72

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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.