Home / 76,385.32-105,424.41-44,554.22

Finding the Fourth Proportional to 76,385.32, 105,424.41 and 44,554.22

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Solution

The fourth proportional to 76,385.32, 105,424.41 and 44,554.22 is: 61,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,385.32 : 105,424.41 = 44,554.22 : x
  2. Step 2: Convert to fraction form
    76,385.32/105,424.41 = 44,554.22/x
  3. Step 3: Cross multiply
    76,385.32x = 105,424.41 × 44,554.22
  4. Step 4: Simplify right side
    76,385.32x = 4,697,102,620.07
  5. Step 5: Solve for x
    x = 4,697,102,620.07/76,385.32
  6. Step 6: Final answer
    x = 61,492.22

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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.