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Finding the Fourth Proportional to 93,547.61, 140,223.41 and 43,586.51

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Solution

The fourth proportional to 93,547.61, 140,223.41 and 43,586.51 is: 65,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,547.61 : 140,223.41 = 43,586.51 : x
  2. Step 2: Convert to fraction form
    93,547.61/140,223.41 = 43,586.51/x
  3. Step 3: Cross multiply
    93,547.61x = 140,223.41 × 43,586.51
  4. Step 4: Simplify right side
    93,547.61x = 6,111,848,318.43
  5. Step 5: Solve for x
    x = 6,111,848,318.43/93,547.61
  6. Step 6: Final answer
    x = 65,334.09

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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.