Home / 105,127.79-157,597.90-38,552.36

Finding the Fourth Proportional to 105,127.79, 157,597.90 and 38,552.36

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Solution

The fourth proportional to 105,127.79, 157,597.90 and 38,552.36 is: 57,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,127.79 : 157,597.90 = 38,552.36 : x
  2. Step 2: Convert to fraction form
    105,127.79/157,597.90 = 38,552.36/x
  3. Step 3: Cross multiply
    105,127.79x = 157,597.90 × 38,552.36
  4. Step 4: Simplify right side
    105,127.79x = 6,075,770,091.67
  5. Step 5: Solve for x
    x = 6,075,770,091.67/105,127.79
  6. Step 6: Final answer
    x = 57,794.14

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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.