Home / 103,695.34-143,113.50-58,382.32

Finding the Fourth Proportional to 103,695.34, 143,113.50 and 58,382.32

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Solution

The fourth proportional to 103,695.34, 143,113.50 and 58,382.32 is: 80,575.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695.34 : 143,113.50 = 58,382.32 : x
  2. Step 2: Convert to fraction form
    103,695.34/143,113.50 = 58,382.32/x
  3. Step 3: Cross multiply
    103,695.34x = 143,113.50 × 58,382.32
  4. Step 4: Simplify right side
    103,695.34x = 8,355,298,153.32
  5. Step 5: Solve for x
    x = 8,355,298,153.32/103,695.34
  6. Step 6: Final answer
    x = 80,575.44

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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.