Home / 103,857.48-143,327.50-58,537.35

Finding the Fourth Proportional to 103,857.48, 143,327.50 and 58,537.35

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Solution

The fourth proportional to 103,857.48, 143,327.50 and 58,537.35 is: 80,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,857.48 : 143,327.50 = 58,537.35 : x
  2. Step 2: Convert to fraction form
    103,857.48/143,327.50 = 58,537.35/x
  3. Step 3: Cross multiply
    103,857.48x = 143,327.50 × 58,537.35
  4. Step 4: Simplify right side
    103,857.48x = 8,390,011,885.78
  5. Step 5: Solve for x
    x = 8,390,011,885.78/103,857.48
  6. Step 6: Final answer
    x = 80,783.90

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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.