Home / 65,368.16-98,053.61-18,621.04

Finding the Fourth Proportional to 65,368.16, 98,053.61 and 18,621.04

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Solution

The fourth proportional to 65,368.16, 98,053.61 and 18,621.04 is: 27,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,368.16 : 98,053.61 = 18,621.04 : x
  2. Step 2: Convert to fraction form
    65,368.16/98,053.61 = 18,621.04/x
  3. Step 3: Cross multiply
    65,368.16x = 98,053.61 × 18,621.04
  4. Step 4: Simplify right side
    65,368.16x = 1,825,859,610.58
  5. Step 5: Solve for x
    x = 1,825,859,610.58/65,368.16
  6. Step 6: Final answer
    x = 27,931.94

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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.