Home / 72,538.39-100,110.17-40,707.41

Finding the Fourth Proportional to 72,538.39, 100,110.17 and 40,707.41

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Solution

The fourth proportional to 72,538.39, 100,110.17 and 40,707.41 is: 56,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,538.39 : 100,110.17 = 40,707.41 : x
  2. Step 2: Convert to fraction form
    72,538.39/100,110.17 = 40,707.41/x
  3. Step 3: Cross multiply
    72,538.39x = 100,110.17 × 40,707.41
  4. Step 4: Simplify right side
    72,538.39x = 4,075,225,735.36
  5. Step 5: Solve for x
    x = 4,075,225,735.36/72,538.39
  6. Step 6: Final answer
    x = 56,180.26

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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.