Home / 94,672.72-130,643.92-54,358.16

Finding the Fourth Proportional to 94,672.72, 130,643.92 and 54,358.16

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Solution

The fourth proportional to 94,672.72, 130,643.92 and 54,358.16 is: 75,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,672.72 : 130,643.92 = 54,358.16 : x
  2. Step 2: Convert to fraction form
    94,672.72/130,643.92 = 54,358.16/x
  3. Step 3: Cross multiply
    94,672.72x = 130,643.92 × 54,358.16
  4. Step 4: Simplify right side
    94,672.72x = 7,101,563,106.39
  5. Step 5: Solve for x
    x = 7,101,563,106.39/94,672.72
  6. Step 6: Final answer
    x = 75,011.72

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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.