Home / 94,286.16-130,118.40-56,553.12

Finding the Fourth Proportional to 94,286.16, 130,118.40 and 56,553.12

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Solution

The fourth proportional to 94,286.16, 130,118.40 and 56,553.12 is: 78,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,286.16 : 130,118.40 = 56,553.12 : x
  2. Step 2: Convert to fraction form
    94,286.16/130,118.40 = 56,553.12/x
  3. Step 3: Cross multiply
    94,286.16x = 130,118.40 × 56,553.12
  4. Step 4: Simplify right side
    94,286.16x = 7,358,601,489.41
  5. Step 5: Solve for x
    x = 7,358,601,489.41/94,286.16
  6. Step 6: Final answer
    x = 78,045.40

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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.