Home / 103,955.14-143,457.40-58,633.50

Finding the Fourth Proportional to 103,955.14, 143,457.40 and 58,633.50

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Solution

The fourth proportional to 103,955.14, 143,457.40 and 58,633.50 is: 80,913.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,955.14 : 143,457.40 = 58,633.50 : x
  2. Step 2: Convert to fraction form
    103,955.14/143,457.40 = 58,633.50/x
  3. Step 3: Cross multiply
    103,955.14x = 143,457.40 × 58,633.50
  4. Step 4: Simplify right side
    103,955.14x = 8,411,408,452.45
  5. Step 5: Solve for x
    x = 8,411,408,452.45/103,955.14
  6. Step 6: Final answer
    x = 80,913.83

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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.