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Finding the Fourth Proportional to 93,320.49, 140,038.80 and 37,916.49

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Solution

The fourth proportional to 93,320.49, 140,038.80 and 37,916.49 is: 56,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,320.49 : 140,038.80 = 37,916.49 : x
  2. Step 2: Convert to fraction form
    93,320.49/140,038.80 = 37,916.49/x
  3. Step 3: Cross multiply
    93,320.49x = 140,038.80 × 37,916.49
  4. Step 4: Simplify right side
    93,320.49x = 5,309,779,759.81
  5. Step 5: Solve for x
    x = 5,309,779,759.81/93,320.49
  6. Step 6: Final answer
    x = 56,898.33

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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.