Home / 92,384.48-138,533.64-47,999.30

Finding the Fourth Proportional to 92,384.48, 138,533.64 and 47,999.30

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Solution

The fourth proportional to 92,384.48, 138,533.64 and 47,999.30 is: 71,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,384.48 : 138,533.64 = 47,999.30 : x
  2. Step 2: Convert to fraction form
    92,384.48/138,533.64 = 47,999.30/x
  3. Step 3: Cross multiply
    92,384.48x = 138,533.64 × 47,999.30
  4. Step 4: Simplify right side
    92,384.48x = 6,649,517,746.45
  5. Step 5: Solve for x
    x = 6,649,517,746.45/92,384.48
  6. Step 6: Final answer
    x = 71,976.57

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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.