Home / 85,014.40-127,570.20-32,461.60

Finding the Fourth Proportional to 85,014.40, 127,570.20 and 32,461.60

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Solution

The fourth proportional to 85,014.40, 127,570.20 and 32,461.60 is: 48,710.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,014.40 : 127,570.20 = 32,461.60 : x
  2. Step 2: Convert to fraction form
    85,014.40/127,570.20 = 32,461.60/x
  3. Step 3: Cross multiply
    85,014.40x = 127,570.20 × 32,461.60
  4. Step 4: Simplify right side
    85,014.40x = 4,141,132,804.32
  5. Step 5: Solve for x
    x = 4,141,132,804.32/85,014.40
  6. Step 6: Final answer
    x = 48,710.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.