Home / 105,112.29-157,574.70-38,536.91

Finding the Fourth Proportional to 105,112.29, 157,574.70 and 38,536.91

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Solution

The fourth proportional to 105,112.29, 157,574.70 and 38,536.91 is: 57,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,112.29 : 157,574.70 = 38,536.91 : x
  2. Step 2: Convert to fraction form
    105,112.29/157,574.70 = 38,536.91/x
  3. Step 3: Cross multiply
    105,112.29x = 157,574.70 × 38,536.91
  4. Step 4: Simplify right side
    105,112.29x = 6,072,441,835.21
  5. Step 5: Solve for x
    x = 6,072,441,835.21/105,112.29
  6. Step 6: Final answer
    x = 57,771.00

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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.