Home / 66,569.64-91,862.34-39,742.44

Finding the Fourth Proportional to 66,569.64, 91,862.34 and 39,742.44

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Solution

The fourth proportional to 66,569.64, 91,862.34 and 39,742.44 is: 54,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,569.64 : 91,862.34 = 39,742.44 : x
  2. Step 2: Convert to fraction form
    66,569.64/91,862.34 = 39,742.44/x
  3. Step 3: Cross multiply
    66,569.64x = 91,862.34 × 39,742.44
  4. Step 4: Simplify right side
    66,569.64x = 3,650,833,535.71
  5. Step 5: Solve for x
    x = 3,650,833,535.71/66,569.64
  6. Step 6: Final answer
    x = 54,842.32

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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.