Home / 94,278.10-130,096.06-55,509.78

Finding the Fourth Proportional to 94,278.10, 130,096.06 and 55,509.78

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Solution

The fourth proportional to 94,278.10, 130,096.06 and 55,509.78 is: 76,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,278.10 : 130,096.06 = 55,509.78 : x
  2. Step 2: Convert to fraction form
    94,278.10/130,096.06 = 55,509.78/x
  3. Step 3: Cross multiply
    94,278.10x = 130,096.06 × 55,509.78
  4. Step 4: Simplify right side
    94,278.10x = 7,221,603,669.47
  5. Step 5: Solve for x
    x = 7,221,603,669.47/94,278.10
  6. Step 6: Final answer
    x = 76,598.95

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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.