Home / 118,628.03-163,701.80-70,907.69

Finding the Fourth Proportional to 118,628.03, 163,701.80 and 70,907.69

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Solution

The fourth proportional to 118,628.03, 163,701.80 and 70,907.69 is: 97,849.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,628.03 : 163,701.80 = 70,907.69 : x
  2. Step 2: Convert to fraction form
    118,628.03/163,701.80 = 70,907.69/x
  3. Step 3: Cross multiply
    118,628.03x = 163,701.80 × 70,907.69
  4. Step 4: Simplify right side
    118,628.03x = 11,607,716,486.84
  5. Step 5: Solve for x
    x = 11,607,716,486.84/118,628.03
  6. Step 6: Final answer
    x = 97,849.69

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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.