Home / 77,946.92-107,495.00-51,079.67

Finding the Fourth Proportional to 77,946.92, 107,495.00 and 51,079.67

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Solution

The fourth proportional to 77,946.92, 107,495.00 and 51,079.67 is: 70,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,946.92 : 107,495.00 = 51,079.67 : x
  2. Step 2: Convert to fraction form
    77,946.92/107,495.00 = 51,079.67/x
  3. Step 3: Cross multiply
    77,946.92x = 107,495.00 × 51,079.67
  4. Step 4: Simplify right side
    77,946.92x = 5,490,808,333.78
  5. Step 5: Solve for x
    x = 5,490,808,333.78/77,946.92
  6. Step 6: Final answer
    x = 70,442.92

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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.