Home / 103,860.02-143,327.46-57,922.57

Finding the Fourth Proportional to 103,860.02, 143,327.46 and 57,922.57

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Solution

The fourth proportional to 103,860.02, 143,327.46 and 57,922.57 is: 79,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,860.02 : 143,327.46 = 57,922.57 : x
  2. Step 2: Convert to fraction form
    103,860.02/143,327.46 = 57,922.57/x
  3. Step 3: Cross multiply
    103,860.02x = 143,327.46 × 57,922.57
  4. Step 4: Simplify right side
    103,860.02x = 8,301,894,834.77
  5. Step 5: Solve for x
    x = 8,301,894,834.77/103,860.02
  6. Step 6: Final answer
    x = 79,933.50

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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.