Home / 92,050.08-127,090.80-61,880.28

Finding the Fourth Proportional to 92,050.08, 127,090.80 and 61,880.28

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Solution

The fourth proportional to 92,050.08, 127,090.80 and 61,880.28 is: 85,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,050.08 : 127,090.80 = 61,880.28 : x
  2. Step 2: Convert to fraction form
    92,050.08/127,090.80 = 61,880.28/x
  3. Step 3: Cross multiply
    92,050.08x = 127,090.80 × 61,880.28
  4. Step 4: Simplify right side
    92,050.08x = 7,864,414,289.42
  5. Step 5: Solve for x
    x = 7,864,414,289.42/92,050.08
  6. Step 6: Final answer
    x = 85,436.26

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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.