Home / 65,603.23-98,404.47-28,139.02

Finding the Fourth Proportional to 65,603.23, 98,404.47 and 28,139.02

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Solution

The fourth proportional to 65,603.23, 98,404.47 and 28,139.02 is: 42,208.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,603.23 : 98,404.47 = 28,139.02 : x
  2. Step 2: Convert to fraction form
    65,603.23/98,404.47 = 28,139.02/x
  3. Step 3: Cross multiply
    65,603.23x = 98,404.47 × 28,139.02
  4. Step 4: Simplify right side
    65,603.23x = 2,769,005,349.42
  5. Step 5: Solve for x
    x = 2,769,005,349.42/65,603.23
  6. Step 6: Final answer
    x = 42,208.37

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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.