Home / 91,627.94-126,316.46-67,386.06

Finding the Fourth Proportional to 91,627.94, 126,316.46 and 67,386.06

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Solution

The fourth proportional to 91,627.94, 126,316.46 and 67,386.06 is: 92,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,627.94 : 126,316.46 = 67,386.06 : x
  2. Step 2: Convert to fraction form
    91,627.94/126,316.46 = 67,386.06/x
  3. Step 3: Cross multiply
    91,627.94x = 126,316.46 × 67,386.06
  4. Step 4: Simplify right side
    91,627.94x = 8,511,968,721.01
  5. Step 5: Solve for x
    x = 8,511,968,721.01/91,627.94
  6. Step 6: Final answer
    x = 92,897.08

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1.5x scale

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.