Home / 73,987.06-102,100.60-40,453.06

Finding the Fourth Proportional to 73,987.06, 102,100.60 and 40,453.06

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Solution

The fourth proportional to 73,987.06, 102,100.60 and 40,453.06 is: 55,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,987.06 : 102,100.60 = 40,453.06 : x
  2. Step 2: Convert to fraction form
    73,987.06/102,100.60 = 40,453.06/x
  3. Step 3: Cross multiply
    73,987.06x = 102,100.60 × 40,453.06
  4. Step 4: Simplify right side
    73,987.06x = 4,130,281,697.84
  5. Step 5: Solve for x
    x = 4,130,281,697.84/73,987.06
  6. Step 6: Final answer
    x = 55,824.38

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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.