Home / 94,159.64-129,941.16-51,719.12

Finding the Fourth Proportional to 94,159.64, 129,941.16 and 51,719.12

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Solution

The fourth proportional to 94,159.64, 129,941.16 and 51,719.12 is: 71,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,159.64 : 129,941.16 = 51,719.12 : x
  2. Step 2: Convert to fraction form
    94,159.64/129,941.16 = 51,719.12/x
  3. Step 3: Cross multiply
    94,159.64x = 129,941.16 × 51,719.12
  4. Step 4: Simplify right side
    94,159.64x = 6,720,442,446.98
  5. Step 5: Solve for x
    x = 6,720,442,446.98/94,159.64
  6. Step 6: Final answer
    x = 71,372.86

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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.