Home / 112,417.40-168,709.26-53,253.20

Finding the Fourth Proportional to 112,417.40, 168,709.26 and 53,253.20

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Solution

The fourth proportional to 112,417.40, 168,709.26 and 53,253.20 is: 79,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,417.40 : 168,709.26 = 53,253.20 : x
  2. Step 2: Convert to fraction form
    112,417.40/168,709.26 = 53,253.20/x
  3. Step 3: Cross multiply
    112,417.40x = 168,709.26 × 53,253.20
  4. Step 4: Simplify right side
    112,417.40x = 8,984,307,964.63
  5. Step 5: Solve for x
    x = 8,984,307,964.63/112,417.40
  6. Step 6: Final answer
    x = 79,919.19

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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.