Home / 103,767.84-143,189.28-58,444.56

Finding the Fourth Proportional to 103,767.84, 143,189.28 and 58,444.56

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Solution

The fourth proportional to 103,767.84, 143,189.28 and 58,444.56 is: 80,647.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,767.84 : 143,189.28 = 58,444.56 : x
  2. Step 2: Convert to fraction form
    103,767.84/143,189.28 = 58,444.56/x
  3. Step 3: Cross multiply
    103,767.84x = 143,189.28 × 58,444.56
  4. Step 4: Simplify right side
    103,767.84x = 8,368,634,466.32
  5. Step 5: Solve for x
    x = 8,368,634,466.32/103,767.84
  6. Step 6: Final answer
    x = 80,647.67

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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.