Home / 109,738.37-151,430.64-61,996.16

Finding the Fourth Proportional to 109,738.37, 151,430.64 and 61,996.16

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Solution

The fourth proportional to 109,738.37, 151,430.64 and 61,996.16 is: 85,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,738.37 : 151,430.64 = 61,996.16 : x
  2. Step 2: Convert to fraction form
    109,738.37/151,430.64 = 61,996.16/x
  3. Step 3: Cross multiply
    109,738.37x = 151,430.64 × 61,996.16
  4. Step 4: Simplify right side
    109,738.37x = 9,388,118,186.34
  5. Step 5: Solve for x
    x = 9,388,118,186.34/109,738.37
  6. Step 6: Final answer
    x = 85,550.01

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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.