Home / 65,997.12-91,070.40-37,697.28

Finding the Fourth Proportional to 65,997.12, 91,070.40 and 37,697.28

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Solution

The fourth proportional to 65,997.12, 91,070.40 and 37,697.28 is: 52,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,997.12 : 91,070.40 = 37,697.28 : x
  2. Step 2: Convert to fraction form
    65,997.12/91,070.40 = 37,697.28/x
  3. Step 3: Cross multiply
    65,997.12x = 91,070.40 × 37,697.28
  4. Step 4: Simplify right side
    65,997.12x = 3,433,106,368.51
  5. Step 5: Solve for x
    x = 3,433,106,368.51/65,997.12
  6. Step 6: Final answer
    x = 52,019.03

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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.