Home / 53,814.39-74,262.70-31,154.34

Finding the Fourth Proportional to 53,814.39, 74,262.70 and 31,154.34

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Solution

The fourth proportional to 53,814.39, 74,262.70 and 31,154.34 is: 42,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,814.39 : 74,262.70 = 31,154.34 : x
  2. Step 2: Convert to fraction form
    53,814.39/74,262.70 = 31,154.34/x
  3. Step 3: Cross multiply
    53,814.39x = 74,262.70 × 31,154.34
  4. Step 4: Simplify right side
    53,814.39x = 2,313,605,405.12
  5. Step 5: Solve for x
    x = 2,313,605,405.12/53,814.39
  6. Step 6: Final answer
    x = 42,992.32

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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.