Home / 47,069.68-70,702.98-39,688.60

Finding the Fourth Proportional to 47,069.68, 70,702.98 and 39,688.60

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Solution

The fourth proportional to 47,069.68, 70,702.98 and 39,688.60 is: 59,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,069.68 : 70,702.98 = 39,688.60 : x
  2. Step 2: Convert to fraction form
    47,069.68/70,702.98 = 39,688.60/x
  3. Step 3: Cross multiply
    47,069.68x = 70,702.98 × 39,688.60
  4. Step 4: Simplify right side
    47,069.68x = 2,806,102,292.03
  5. Step 5: Solve for x
    x = 2,806,102,292.03/47,069.68
  6. Step 6: Final answer
    x = 59,615.92

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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.