Home / 65,554.93-98,332.50-28,090.72

Finding the Fourth Proportional to 65,554.93, 98,332.50 and 28,090.72

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Solution

The fourth proportional to 65,554.93, 98,332.50 and 28,090.72 is: 42,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,554.93 : 98,332.50 = 28,090.72 : x
  2. Step 2: Convert to fraction form
    65,554.93/98,332.50 = 28,090.72/x
  3. Step 3: Cross multiply
    65,554.93x = 98,332.50 × 28,090.72
  4. Step 4: Simplify right side
    65,554.93x = 2,762,230,724.40
  5. Step 5: Solve for x
    x = 2,762,230,724.40/65,554.93
  6. Step 6: Final answer
    x = 42,136.12

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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.