Home / 114,424.12-157,890.69-63,436.38

Finding the Fourth Proportional to 114,424.12, 157,890.69 and 63,436.38

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Solution

The fourth proportional to 114,424.12, 157,890.69 and 63,436.38 is: 87,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,424.12 : 157,890.69 = 63,436.38 : x
  2. Step 2: Convert to fraction form
    114,424.12/157,890.69 = 63,436.38/x
  3. Step 3: Cross multiply
    114,424.12x = 157,890.69 × 63,436.38
  4. Step 4: Simplify right side
    114,424.12x = 10,016,014,616.81
  5. Step 5: Solve for x
    x = 10,016,014,616.81/114,424.12
  6. Step 6: Final answer
    x = 87,534.12

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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.