Home / 66,491.36-91,766.14-48,577.40

Finding the Fourth Proportional to 66,491.36, 91,766.14 and 48,577.40

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Solution

The fourth proportional to 66,491.36, 91,766.14 and 48,577.40 is: 67,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,491.36 : 91,766.14 = 48,577.40 : x
  2. Step 2: Convert to fraction form
    66,491.36/91,766.14 = 48,577.40/x
  3. Step 3: Cross multiply
    66,491.36x = 91,766.14 × 48,577.40
  4. Step 4: Simplify right side
    66,491.36x = 4,457,760,030.41
  5. Step 5: Solve for x
    x = 4,457,760,030.41/66,491.36
  6. Step 6: Final answer
    x = 67,042.70

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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.