Home / 53,148.36-72,813.61-51,155.40

Finding the Fourth Proportional to 53,148.36, 72,813.61 and 51,155.40

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Solution

The fourth proportional to 53,148.36, 72,813.61 and 51,155.40 is: 70,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,148.36 : 72,813.61 = 51,155.40 : x
  2. Step 2: Convert to fraction form
    53,148.36/72,813.61 = 51,155.40/x
  3. Step 3: Cross multiply
    53,148.36x = 72,813.61 × 51,155.40
  4. Step 4: Simplify right side
    53,148.36x = 3,724,809,344.99
  5. Step 5: Solve for x
    x = 3,724,809,344.99/53,148.36
  6. Step 6: Final answer
    x = 70,083.24

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.