Home / 79,647.15-119,403.75-53,271.39

Finding the Fourth Proportional to 79,647.15, 119,403.75 and 53,271.39

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Solution

The fourth proportional to 79,647.15, 119,403.75 and 53,271.39 is: 79,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,647.15 : 119,403.75 = 53,271.39 : x
  2. Step 2: Convert to fraction form
    79,647.15/119,403.75 = 53,271.39/x
  3. Step 3: Cross multiply
    79,647.15x = 119,403.75 × 53,271.39
  4. Step 4: Simplify right side
    79,647.15x = 6,360,803,733.71
  5. Step 5: Solve for x
    x = 6,360,803,733.71/79,647.15
  6. Step 6: Final answer
    x = 79,862.29

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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.