Home / 81,364.02-112,295.64-48,656.22

Finding the Fourth Proportional to 81,364.02, 112,295.64 and 48,656.22

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Solution

The fourth proportional to 81,364.02, 112,295.64 and 48,656.22 is: 67,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,364.02 : 112,295.64 = 48,656.22 : x
  2. Step 2: Convert to fraction form
    81,364.02/112,295.64 = 48,656.22/x
  3. Step 3: Cross multiply
    81,364.02x = 112,295.64 × 48,656.22
  4. Step 4: Simplify right side
    81,364.02x = 5,463,881,364.88
  5. Step 5: Solve for x
    x = 5,463,881,364.88/81,364.02
  6. Step 6: Final answer
    x = 67,153.53

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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.