Home / 110,736.14-152,762.73-72,478.85

Finding the Fourth Proportional to 110,736.14, 152,762.73 and 72,478.85

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Solution

The fourth proportional to 110,736.14, 152,762.73 and 72,478.85 is: 99,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,736.14 : 152,762.73 = 72,478.85 : x
  2. Step 2: Convert to fraction form
    110,736.14/152,762.73 = 72,478.85/x
  3. Step 3: Cross multiply
    110,736.14x = 152,762.73 × 72,478.85
  4. Step 4: Simplify right side
    110,736.14x = 11,072,066,430.16
  5. Step 5: Solve for x
    x = 11,072,066,430.16/110,736.14
  6. Step 6: Final answer
    x = 99,986.02

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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.