Home / 93,051.02-139,633.94-43,121.81

Finding the Fourth Proportional to 93,051.02, 139,633.94 and 43,121.81

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Solution

The fourth proportional to 93,051.02, 139,633.94 and 43,121.81 is: 64,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,051.02 : 139,633.94 = 43,121.81 : x
  2. Step 2: Convert to fraction form
    93,051.02/139,633.94 = 43,121.81/x
  3. Step 3: Cross multiply
    93,051.02x = 139,633.94 × 43,121.81
  4. Step 4: Simplify right side
    93,051.02x = 6,021,268,363.71
  5. Step 5: Solve for x
    x = 6,021,268,363.71/93,051.02
  6. Step 6: Final answer
    x = 64,709.32

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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.