Home / 56,740.69-78,263.04-51,684.67

Finding the Fourth Proportional to 56,740.69, 78,263.04 and 51,684.67

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Solution

The fourth proportional to 56,740.69, 78,263.04 and 51,684.67 is: 71,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,740.69 : 78,263.04 = 51,684.67 : x
  2. Step 2: Convert to fraction form
    56,740.69/78,263.04 = 51,684.67/x
  3. Step 3: Cross multiply
    56,740.69x = 78,263.04 × 51,684.67
  4. Step 4: Simplify right side
    56,740.69x = 4,044,999,395.60
  5. Step 5: Solve for x
    x = 4,044,999,395.60/56,740.69
  6. Step 6: Final answer
    x = 71,289.22

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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.