Home / 52,280.16-72,152.80-31,059.50

Finding the Fourth Proportional to 52,280.16, 72,152.80 and 31,059.50

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Solution

The fourth proportional to 52,280.16, 72,152.80 and 31,059.50 is: 42,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,280.16 : 72,152.80 = 31,059.50 : x
  2. Step 2: Convert to fraction form
    52,280.16/72,152.80 = 31,059.50/x
  3. Step 3: Cross multiply
    52,280.16x = 72,152.80 × 31,059.50
  4. Step 4: Simplify right side
    52,280.16x = 2,241,029,891.60
  5. Step 5: Solve for x
    x = 2,241,029,891.60/52,280.16
  6. Step 6: Final answer
    x = 42,865.78

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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.