Home / 114,428.60-157,916.88-71,433.56

Finding the Fourth Proportional to 114,428.60, 157,916.88 and 71,433.56

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Solution

The fourth proportional to 114,428.60, 157,916.88 and 71,433.56 is: 98,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,428.60 : 157,916.88 = 71,433.56 : x
  2. Step 2: Convert to fraction form
    114,428.60/157,916.88 = 71,433.56/x
  3. Step 3: Cross multiply
    114,428.60x = 157,916.88 × 71,433.56
  4. Step 4: Simplify right side
    114,428.60x = 11,280,564,922.49
  5. Step 5: Solve for x
    x = 11,280,564,922.49/114,428.60
  6. Step 6: Final answer
    x = 98,581.69

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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.