Home / 91,554.04-126,356.48-51,283.16

Finding the Fourth Proportional to 91,554.04, 126,356.48 and 51,283.16

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Solution

The fourth proportional to 91,554.04, 126,356.48 and 51,283.16 is: 70,777.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,554.04 : 126,356.48 = 51,283.16 : x
  2. Step 2: Convert to fraction form
    91,554.04/126,356.48 = 51,283.16/x
  3. Step 3: Cross multiply
    91,554.04x = 126,356.48 × 51,283.16
  4. Step 4: Simplify right side
    91,554.04x = 6,479,959,580.88
  5. Step 5: Solve for x
    x = 6,479,959,580.88/91,554.04
  6. Step 6: Final answer
    x = 70,777.43

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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.