Home / 103,595.55-143,027.57-70,944.62

Finding the Fourth Proportional to 103,595.55, 143,027.57 and 70,944.62

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Solution

The fourth proportional to 103,595.55, 143,027.57 and 70,944.62 is: 97,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,595.55 : 143,027.57 = 70,944.62 : x
  2. Step 2: Convert to fraction form
    103,595.55/143,027.57 = 70,944.62/x
  3. Step 3: Cross multiply
    103,595.55x = 143,027.57 × 70,944.62
  4. Step 4: Simplify right side
    103,595.55x = 10,147,035,888.04
  5. Step 5: Solve for x
    x = 10,147,035,888.04/103,595.55
  6. Step 6: Final answer
    x = 97,948.57

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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.