Home / 91,897.83-126,817.47-51,611.67

Finding the Fourth Proportional to 91,897.83, 126,817.47 and 51,611.67

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Solution

The fourth proportional to 91,897.83, 126,817.47 and 51,611.67 is: 71,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,897.83 : 126,817.47 = 51,611.67 : x
  2. Step 2: Convert to fraction form
    91,897.83/126,817.47 = 51,611.67/x
  3. Step 3: Cross multiply
    91,897.83x = 126,817.47 × 51,611.67
  4. Step 4: Simplify right side
    91,897.83x = 6,545,261,411.87
  5. Step 5: Solve for x
    x = 6,545,261,411.87/91,897.83
  6. Step 6: Final answer
    x = 71,223.24

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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.