Home / 91,188.06-125,869.59-53,461.50

Finding the Fourth Proportional to 91,188.06, 125,869.59 and 53,461.50

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Solution

The fourth proportional to 91,188.06, 125,869.59 and 53,461.50 is: 73,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,188.06 : 125,869.59 = 53,461.50 : x
  2. Step 2: Convert to fraction form
    91,188.06/125,869.59 = 53,461.50/x
  3. Step 3: Cross multiply
    91,188.06x = 125,869.59 × 53,461.50
  4. Step 4: Simplify right side
    91,188.06x = 6,729,177,085.79
  5. Step 5: Solve for x
    x = 6,729,177,085.79/91,188.06
  6. Step 6: Final answer
    x = 73,794.50

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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.