Home / 118,609.29-163,664.66-70,852.50

Finding the Fourth Proportional to 118,609.29, 163,664.66 and 70,852.50

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Solution

The fourth proportional to 118,609.29, 163,664.66 and 70,852.50 is: 97,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,609.29 : 163,664.66 = 70,852.50 : x
  2. Step 2: Convert to fraction form
    118,609.29/163,664.66 = 70,852.50/x
  3. Step 3: Cross multiply
    118,609.29x = 163,664.66 × 70,852.50
  4. Step 4: Simplify right side
    118,609.29x = 11,596,050,322.65
  5. Step 5: Solve for x
    x = 11,596,050,322.65/118,609.29
  6. Step 6: Final answer
    x = 97,766.80

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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.