Home / 53,862.04-74,318.32-31,199.68

Finding the Fourth Proportional to 53,862.04, 74,318.32 and 31,199.68

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Solution

The fourth proportional to 53,862.04, 74,318.32 and 31,199.68 is: 43,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.04 : 74,318.32 = 31,199.68 : x
  2. Step 2: Convert to fraction form
    53,862.04/74,318.32 = 31,199.68/x
  3. Step 3: Cross multiply
    53,862.04x = 74,318.32 × 31,199.68
  4. Step 4: Simplify right side
    53,862.04x = 2,318,707,802.14
  5. Step 5: Solve for x
    x = 2,318,707,802.14/53,862.04
  6. Step 6: Final answer
    x = 43,049.02

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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.