Home / 68,015.40-93,824.28-43,440.36

Finding the Fourth Proportional to 68,015.40, 93,824.28 and 43,440.36

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Solution

The fourth proportional to 68,015.40, 93,824.28 and 43,440.36 is: 59,924.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,015.40 : 93,824.28 = 43,440.36 : x
  2. Step 2: Convert to fraction form
    68,015.40/93,824.28 = 43,440.36/x
  3. Step 3: Cross multiply
    68,015.40x = 93,824.28 × 43,440.36
  4. Step 4: Simplify right side
    68,015.40x = 4,075,760,499.94
  5. Step 5: Solve for x
    x = 4,075,760,499.94/68,015.40
  6. Step 6: Final answer
    x = 59,924.08

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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.