Home / 66,871.60-92,292.25-41,386.18

Finding the Fourth Proportional to 66,871.60, 92,292.25 and 41,386.18

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Solution

The fourth proportional to 66,871.60, 92,292.25 and 41,386.18 is: 57,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,871.60 : 92,292.25 = 41,386.18 : x
  2. Step 2: Convert to fraction form
    66,871.60/92,292.25 = 41,386.18/x
  3. Step 3: Cross multiply
    66,871.60x = 92,292.25 × 41,386.18
  4. Step 4: Simplify right side
    66,871.60x = 3,819,623,671.11
  5. Step 5: Solve for x
    x = 3,819,623,671.11/66,871.60
  6. Step 6: Final answer
    x = 57,118.77

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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.