Home / 112,113.44-154,716.51-61,126.22

Finding the Fourth Proportional to 112,113.44, 154,716.51 and 61,126.22

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Solution

The fourth proportional to 112,113.44, 154,716.51 and 61,126.22 is: 84,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,113.44 : 154,716.51 = 61,126.22 : x
  2. Step 2: Convert to fraction form
    112,113.44/154,716.51 = 61,126.22/x
  3. Step 3: Cross multiply
    112,113.44x = 154,716.51 × 61,126.22
  4. Step 4: Simplify right side
    112,113.44x = 9,457,235,427.89
  5. Step 5: Solve for x
    x = 9,457,235,427.89/112,113.44
  6. Step 6: Final answer
    x = 84,354.16

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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.