Home / 105,112.39-157,574.84-38,537.00

Finding the Fourth Proportional to 105,112.39, 157,574.84 and 38,537.00

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Solution

The fourth proportional to 105,112.39, 157,574.84 and 38,537.00 is: 57,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,112.39 : 157,574.84 = 38,537.00 : x
  2. Step 2: Convert to fraction form
    105,112.39/157,574.84 = 38,537.00/x
  3. Step 3: Cross multiply
    105,112.39x = 157,574.84 × 38,537.00
  4. Step 4: Simplify right side
    105,112.39x = 6,072,461,810.33
  5. Step 5: Solve for x
    x = 6,072,461,810.33/105,112.39
  6. Step 6: Final answer
    x = 57,771.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.