Home / 91,818.48-126,762.16-70,137.52

Finding the Fourth Proportional to 91,818.48, 126,762.16 and 70,137.52

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Solution

The fourth proportional to 91,818.48, 126,762.16 and 70,137.52 is: 96,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,818.48 : 126,762.16 = 70,137.52 : x
  2. Step 2: Convert to fraction form
    91,818.48/126,762.16 = 70,137.52/x
  3. Step 3: Cross multiply
    91,818.48x = 126,762.16 × 70,137.52
  4. Step 4: Simplify right side
    91,818.48x = 8,890,783,532.24
  5. Step 5: Solve for x
    x = 8,890,783,532.24/91,818.48
  6. Step 6: Final answer
    x = 96,830.00

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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.