Home / 114,106.90-157,455.41-63,111.53

Finding the Fourth Proportional to 114,106.90, 157,455.41 and 63,111.53

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Solution

The fourth proportional to 114,106.90, 157,455.41 and 63,111.53 is: 87,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,106.90 : 157,455.41 = 63,111.53 : x
  2. Step 2: Convert to fraction form
    114,106.90/157,455.41 = 63,111.53/x
  3. Step 3: Cross multiply
    114,106.90x = 157,455.41 × 63,111.53
  4. Step 4: Simplify right side
    114,106.90x = 9,937,250,729.04
  5. Step 5: Solve for x
    x = 9,937,250,729.04/114,106.90
  6. Step 6: Final answer
    x = 87,087.20

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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.