Home / 114,913.92-172,075.52-64,919.36

Finding the Fourth Proportional to 114,913.92, 172,075.52 and 64,919.36

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Solution

The fourth proportional to 114,913.92, 172,075.52 and 64,919.36 is: 97,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,913.92 : 172,075.52 = 64,919.36 : x
  2. Step 2: Convert to fraction form
    114,913.92/172,075.52 = 64,919.36/x
  3. Step 3: Cross multiply
    114,913.92x = 172,075.52 × 64,919.36
  4. Step 4: Simplify right side
    114,913.92x = 11,171,032,630.07
  5. Step 5: Solve for x
    x = 11,171,032,630.07/114,913.92
  6. Step 6: Final answer
    x = 97,212.18

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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.