Home / 112,606.16-168,675.24-53,488.40

Finding the Fourth Proportional to 112,606.16, 168,675.24 and 53,488.40

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Solution

The fourth proportional to 112,606.16, 168,675.24 and 53,488.40 is: 80,121.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,606.16 : 168,675.24 = 53,488.40 : x
  2. Step 2: Convert to fraction form
    112,606.16/168,675.24 = 53,488.40/x
  3. Step 3: Cross multiply
    112,606.16x = 168,675.24 × 53,488.40
  4. Step 4: Simplify right side
    112,606.16x = 9,022,168,707.22
  5. Step 5: Solve for x
    x = 9,022,168,707.22/112,606.16
  6. Step 6: Final answer
    x = 80,121.45

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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.