Home / 74,388.06-102,604.57-47,518.63

Finding the Fourth Proportional to 74,388.06, 102,604.57 and 47,518.63

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Solution

The fourth proportional to 74,388.06, 102,604.57 and 47,518.63 is: 65,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,388.06 : 102,604.57 = 47,518.63 : x
  2. Step 2: Convert to fraction form
    74,388.06/102,604.57 = 47,518.63/x
  3. Step 3: Cross multiply
    74,388.06x = 102,604.57 × 47,518.63
  4. Step 4: Simplify right side
    74,388.06x = 4,875,628,360.55
  5. Step 5: Solve for x
    x = 4,875,628,360.55/74,388.06
  6. Step 6: Final answer
    x = 65,543.16

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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.