Home / 59,702.40-89,611.20-30,153.60

Finding the Fourth Proportional to 59,702.40, 89,611.20 and 30,153.60

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Solution

The fourth proportional to 59,702.40, 89,611.20 and 30,153.60 is: 45,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,702.40 : 89,611.20 = 30,153.60 : x
  2. Step 2: Convert to fraction form
    59,702.40/89,611.20 = 30,153.60/x
  3. Step 3: Cross multiply
    59,702.40x = 89,611.20 × 30,153.60
  4. Step 4: Simplify right side
    59,702.40x = 2,702,100,280.32
  5. Step 5: Solve for x
    x = 2,702,100,280.32/59,702.40
  6. Step 6: Final answer
    x = 45,259.49

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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.