Home / 66,674.37-91,967.27-42,763.17

Finding the Fourth Proportional to 66,674.37, 91,967.27 and 42,763.17

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Solution

The fourth proportional to 66,674.37, 91,967.27 and 42,763.17 is: 58,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,674.37 : 91,967.27 = 42,763.17 : x
  2. Step 2: Convert to fraction form
    66,674.37/91,967.27 = 42,763.17/x
  3. Step 3: Cross multiply
    66,674.37x = 91,967.27 × 42,763.17
  4. Step 4: Simplify right side
    66,674.37x = 3,932,812,001.45
  5. Step 5: Solve for x
    x = 3,932,812,001.45/66,674.37
  6. Step 6: Final answer
    x = 58,985.36

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1.5x scale

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.