Home / 65,918.02-90,967.14-35,703.70

Finding the Fourth Proportional to 65,918.02, 90,967.14 and 35,703.70

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Solution

The fourth proportional to 65,918.02, 90,967.14 and 35,703.70 is: 49,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.02 : 90,967.14 = 35,703.70 : x
  2. Step 2: Convert to fraction form
    65,918.02/90,967.14 = 35,703.70/x
  3. Step 3: Cross multiply
    65,918.02x = 90,967.14 × 35,703.70
  4. Step 4: Simplify right side
    65,918.02x = 3,247,863,476.42
  5. Step 5: Solve for x
    x = 3,247,863,476.42/65,918.02
  6. Step 6: Final answer
    x = 49,271.25

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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.