Home / 114,431.11-157,931.28-63,455.18

Finding the Fourth Proportional to 114,431.11, 157,931.28 and 63,455.18

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Solution

The fourth proportional to 114,431.11, 157,931.28 and 63,455.18 is: 87,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,431.11 : 157,931.28 = 63,455.18 : x
  2. Step 2: Convert to fraction form
    114,431.11/157,931.28 = 63,455.18/x
  3. Step 3: Cross multiply
    114,431.11x = 157,931.28 × 63,455.18
  4. Step 4: Simplify right side
    114,431.11x = 10,021,556,693.10
  5. Step 5: Solve for x
    x = 10,021,556,693.10/114,431.11
  6. Step 6: Final answer
    x = 87,577.21

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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.