Home / 118,614.48-163,661.22-70,858.50

Finding the Fourth Proportional to 118,614.48, 163,661.22 and 70,858.50

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Solution

The fourth proportional to 118,614.48, 163,661.22 and 70,858.50 is: 97,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,614.48 : 163,661.22 = 70,858.50 : x
  2. Step 2: Convert to fraction form
    118,614.48/163,661.22 = 70,858.50/x
  3. Step 3: Cross multiply
    118,614.48x = 163,661.22 × 70,858.50
  4. Step 4: Simplify right side
    118,614.48x = 11,596,788,557.37
  5. Step 5: Solve for x
    x = 11,596,788,557.37/118,614.48
  6. Step 6: Final answer
    x = 97,768.74

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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.