Home / 66,089.86-91,204.05-35,875.17

Finding the Fourth Proportional to 66,089.86, 91,204.05 and 35,875.17

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Solution

The fourth proportional to 66,089.86, 91,204.05 and 35,875.17 is: 49,507.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,089.86 : 91,204.05 = 35,875.17 : x
  2. Step 2: Convert to fraction form
    66,089.86/91,204.05 = 35,875.17/x
  3. Step 3: Cross multiply
    66,089.86x = 91,204.05 × 35,875.17
  4. Step 4: Simplify right side
    66,089.86x = 3,271,961,024.46
  5. Step 5: Solve for x
    x = 3,271,961,024.46/66,089.86
  6. Step 6: Final answer
    x = 49,507.76

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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.