Home / 94,338.36-130,186.92-56,612.64

Finding the Fourth Proportional to 94,338.36, 130,186.92 and 56,612.64

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Solution

The fourth proportional to 94,338.36, 130,186.92 and 56,612.64 is: 78,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,338.36 : 130,186.92 = 56,612.64 : x
  2. Step 2: Convert to fraction form
    94,338.36/130,186.92 = 56,612.64/x
  3. Step 3: Cross multiply
    94,338.36x = 130,186.92 × 56,612.64
  4. Step 4: Simplify right side
    94,338.36x = 7,370,225,234.67
  5. Step 5: Solve for x
    x = 7,370,225,234.67/94,338.36
  6. Step 6: Final answer
    x = 78,125.43

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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.