Home / 53,386.14-73,678.37-30,725.99

Finding the Fourth Proportional to 53,386.14, 73,678.37 and 30,725.99

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Solution

The fourth proportional to 53,386.14, 73,678.37 and 30,725.99 is: 42,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,386.14 : 73,678.37 = 30,725.99 : x
  2. Step 2: Convert to fraction form
    53,386.14/73,678.37 = 30,725.99/x
  3. Step 3: Cross multiply
    53,386.14x = 73,678.37 × 30,725.99
  4. Step 4: Simplify right side
    53,386.14x = 2,263,840,337.81
  5. Step 5: Solve for x
    x = 2,263,840,337.81/53,386.14
  6. Step 6: Final answer
    x = 42,405.02

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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.