Home / 66,928.46-92,368.96-40,070.94

Finding the Fourth Proportional to 66,928.46, 92,368.96 and 40,070.94

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Solution

The fourth proportional to 66,928.46, 92,368.96 and 40,070.94 is: 55,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928.46 : 92,368.96 = 40,070.94 : x
  2. Step 2: Convert to fraction form
    66,928.46/92,368.96 = 40,070.94/x
  3. Step 3: Cross multiply
    66,928.46x = 92,368.96 × 40,070.94
  4. Step 4: Simplify right side
    66,928.46x = 3,701,311,054.02
  5. Step 5: Solve for x
    x = 3,701,311,054.02/66,928.46
  6. Step 6: Final answer
    x = 55,302.50

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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.