Home / 103,671.84-143,056.08-58,352.16

Finding the Fourth Proportional to 103,671.84, 143,056.08 and 58,352.16

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Solution

The fourth proportional to 103,671.84, 143,056.08 and 58,352.16 is: 80,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,671.84 : 143,056.08 = 58,352.16 : x
  2. Step 2: Convert to fraction form
    103,671.84/143,056.08 = 58,352.16/x
  3. Step 3: Cross multiply
    103,671.84x = 143,056.08 × 58,352.16
  4. Step 4: Simplify right side
    103,671.84x = 8,347,631,269.13
  5. Step 5: Solve for x
    x = 8,347,631,269.13/103,671.84
  6. Step 6: Final answer
    x = 80,519.76

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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.