Home / 66,870.40-92,310.54-46,806.06

Finding the Fourth Proportional to 66,870.40, 92,310.54 and 46,806.06

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Solution

The fourth proportional to 66,870.40, 92,310.54 and 46,806.06 is: 64,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,870.40 : 92,310.54 = 46,806.06 : x
  2. Step 2: Convert to fraction form
    66,870.40/92,310.54 = 46,806.06/x
  3. Step 3: Cross multiply
    66,870.40x = 92,310.54 × 46,806.06
  4. Step 4: Simplify right side
    66,870.40x = 4,320,692,673.87
  5. Step 5: Solve for x
    x = 4,320,692,673.87/66,870.40
  6. Step 6: Final answer
    x = 64,612.93

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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.