Home / 65,895.36-98,852.70-19,142.16

Finding the Fourth Proportional to 65,895.36, 98,852.70 and 19,142.16

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Solution

The fourth proportional to 65,895.36, 98,852.70 and 19,142.16 is: 28,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,895.36 : 98,852.70 = 19,142.16 : x
  2. Step 2: Convert to fraction form
    65,895.36/98,852.70 = 19,142.16/x
  3. Step 3: Cross multiply
    65,895.36x = 98,852.70 × 19,142.16
  4. Step 4: Simplify right side
    65,895.36x = 1,892,254,199.83
  5. Step 5: Solve for x
    x = 1,892,254,199.83/65,895.36
  6. Step 6: Final answer
    x = 28,716.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.