Home / 94,516.78-130,433.10-56,803.18

Finding the Fourth Proportional to 94,516.78, 130,433.10 and 56,803.18

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Solution

The fourth proportional to 94,516.78, 130,433.10 and 56,803.18 is: 78,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,516.78 : 130,433.10 = 56,803.18 : x
  2. Step 2: Convert to fraction form
    94,516.78/130,433.10 = 56,803.18/x
  3. Step 3: Cross multiply
    94,516.78x = 130,433.10 × 56,803.18
  4. Step 4: Simplify right side
    94,516.78x = 7,409,014,857.26
  5. Step 5: Solve for x
    x = 7,409,014,857.26/94,516.78
  6. Step 6: Final answer
    x = 78,388.35

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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.