Home / 71,421.50-98,533.63-45,923.82

Finding the Fourth Proportional to 71,421.50, 98,533.63 and 45,923.82

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Solution

The fourth proportional to 71,421.50, 98,533.63 and 45,923.82 is: 63,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,421.50 : 98,533.63 = 45,923.82 : x
  2. Step 2: Convert to fraction form
    71,421.50/98,533.63 = 45,923.82/x
  3. Step 3: Cross multiply
    71,421.50x = 98,533.63 × 45,923.82
  4. Step 4: Simplify right side
    71,421.50x = 4,525,040,688.07
  5. Step 5: Solve for x
    x = 4,525,040,688.07/71,421.50
  6. Step 6: Final answer
    x = 63,356.84

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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.