Home / 58,611.02-80,878.40-33,119.60

Finding the Fourth Proportional to 58,611.02, 80,878.40 and 33,119.60

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Solution

The fourth proportional to 58,611.02, 80,878.40 and 33,119.60 is: 45,702.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611.02 : 80,878.40 = 33,119.60 : x
  2. Step 2: Convert to fraction form
    58,611.02/80,878.40 = 33,119.60/x
  3. Step 3: Cross multiply
    58,611.02x = 80,878.40 × 33,119.60
  4. Step 4: Simplify right side
    58,611.02x = 2,678,660,256.64
  5. Step 5: Solve for x
    x = 2,678,660,256.64/58,611.02
  6. Step 6: Final answer
    x = 45,702.33

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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.