Home / 66,953.24-100,429.40-17,032.88

Finding the Fourth Proportional to 66,953.24, 100,429.40 and 17,032.88

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Solution

The fourth proportional to 66,953.24, 100,429.40 and 17,032.88 is: 25,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,953.24 : 100,429.40 = 17,032.88 : x
  2. Step 2: Convert to fraction form
    66,953.24/100,429.40 = 17,032.88/x
  3. Step 3: Cross multiply
    66,953.24x = 100,429.40 × 17,032.88
  4. Step 4: Simplify right side
    66,953.24x = 1,710,601,918.67
  5. Step 5: Solve for x
    x = 1,710,601,918.67/66,953.24
  6. Step 6: Final answer
    x = 25,549.20

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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.