Home / 103,926.68-143,416.81-58,603.84

Finding the Fourth Proportional to 103,926.68, 143,416.81 and 58,603.84

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Solution

The fourth proportional to 103,926.68, 143,416.81 and 58,603.84 is: 80,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,926.68 : 143,416.81 = 58,603.84 : x
  2. Step 2: Convert to fraction form
    103,926.68/143,416.81 = 58,603.84/x
  3. Step 3: Cross multiply
    103,926.68x = 143,416.81 × 58,603.84
  4. Step 4: Simplify right side
    103,926.68x = 8,404,775,501.26
  5. Step 5: Solve for x
    x = 8,404,775,501.26/103,926.68
  6. Step 6: Final answer
    x = 80,872.16

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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.