Home / 66,017.15-91,103.70-35,802.46

Finding the Fourth Proportional to 66,017.15, 91,103.70 and 35,802.46

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Solution

The fourth proportional to 66,017.15, 91,103.70 and 35,802.46 is: 49,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,017.15 : 91,103.70 = 35,802.46 : x
  2. Step 2: Convert to fraction form
    66,017.15/91,103.70 = 35,802.46/x
  3. Step 3: Cross multiply
    66,017.15x = 91,103.70 × 35,802.46
  4. Step 4: Simplify right side
    66,017.15x = 3,261,736,119.58
  5. Step 5: Solve for x
    x = 3,261,736,119.58/66,017.15
  6. Step 6: Final answer
    x = 49,407.41

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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.