Home / 112,433.51-168,635.64-53,306.75

Finding the Fourth Proportional to 112,433.51, 168,635.64 and 53,306.75

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Solution

The fourth proportional to 112,433.51, 168,635.64 and 53,306.75 is: 79,953.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,433.51 : 168,635.64 = 53,306.75 : x
  2. Step 2: Convert to fraction form
    112,433.51/168,635.64 = 53,306.75/x
  3. Step 3: Cross multiply
    112,433.51x = 168,635.64 × 53,306.75
  4. Step 4: Simplify right side
    112,433.51x = 8,989,417,902.57
  5. Step 5: Solve for x
    x = 8,989,417,902.57/112,433.51
  6. Step 6: Final answer
    x = 79,953.19

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1.5x scale

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.