Home / 103,637.42-143,031.24-58,326.42

Finding the Fourth Proportional to 103,637.42, 143,031.24 and 58,326.42

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Solution

The fourth proportional to 103,637.42, 143,031.24 and 58,326.42 is: 80,496.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.42 : 143,031.24 = 58,326.42 : x
  2. Step 2: Convert to fraction form
    103,637.42/143,031.24 = 58,326.42/x
  3. Step 3: Cross multiply
    103,637.42x = 143,031.24 × 58,326.42
  4. Step 4: Simplify right side
    103,637.42x = 8,342,500,177.36
  5. Step 5: Solve for x
    x = 8,342,500,177.36/103,637.42
  6. Step 6: Final answer
    x = 80,496.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.