Home / 66,851.04-92,254.40-39,994.64

Finding the Fourth Proportional to 66,851.04, 92,254.40 and 39,994.64

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Solution

The fourth proportional to 66,851.04, 92,254.40 and 39,994.64 is: 55,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851.04 : 92,254.40 = 39,994.64 : x
  2. Step 2: Convert to fraction form
    66,851.04/92,254.40 = 39,994.64/x
  3. Step 3: Cross multiply
    66,851.04x = 92,254.40 × 39,994.64
  4. Step 4: Simplify right side
    66,851.04x = 3,689,681,516.42
  5. Step 5: Solve for x
    x = 3,689,681,516.42/66,851.04
  6. Step 6: Final answer
    x = 55,192.58

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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.