Home / 81,236.02-112,060.66-47,240.77

Finding the Fourth Proportional to 81,236.02, 112,060.66 and 47,240.77

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Solution

The fourth proportional to 81,236.02, 112,060.66 and 47,240.77 is: 65,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,236.02 : 112,060.66 = 47,240.77 : x
  2. Step 2: Convert to fraction form
    81,236.02/112,060.66 = 47,240.77/x
  3. Step 3: Cross multiply
    81,236.02x = 112,060.66 × 47,240.77
  4. Step 4: Simplify right side
    81,236.02x = 5,293,831,068.60
  5. Step 5: Solve for x
    x = 5,293,831,068.60/81,236.02
  6. Step 6: Final answer
    x = 65,166.06

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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.