Home / 74,085.63-102,237.30-40,093.35

Finding the Fourth Proportional to 74,085.63, 102,237.30 and 40,093.35

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Solution

The fourth proportional to 74,085.63, 102,237.30 and 40,093.35 is: 55,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,085.63 : 102,237.30 = 40,093.35 : x
  2. Step 2: Convert to fraction form
    74,085.63/102,237.30 = 40,093.35/x
  3. Step 3: Cross multiply
    74,085.63x = 102,237.30 × 40,093.35
  4. Step 4: Simplify right side
    74,085.63x = 4,099,035,851.96
  5. Step 5: Solve for x
    x = 4,099,035,851.96/74,085.63
  6. Step 6: Final answer
    x = 55,328.35

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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.