Home / 77,731.41-116,600.76-25,145.00

Finding the Fourth Proportional to 77,731.41, 116,600.76 and 25,145.00

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Solution

The fourth proportional to 77,731.41, 116,600.76 and 25,145.00 is: 37,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,731.41 : 116,600.76 = 25,145.00 : x
  2. Step 2: Convert to fraction form
    77,731.41/116,600.76 = 25,145.00/x
  3. Step 3: Cross multiply
    77,731.41x = 116,600.76 × 25,145.00
  4. Step 4: Simplify right side
    77,731.41x = 2,931,925,527.20
  5. Step 5: Solve for x
    x = 2,931,925,527.20/77,731.41
  6. Step 6: Final answer
    x = 37,718.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.