Home / 94,311.40-130,106.10-56,520.04

Finding the Fourth Proportional to 94,311.40, 130,106.10 and 56,520.04

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Solution

The fourth proportional to 94,311.40, 130,106.10 and 56,520.04 is: 77,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,311.40 : 130,106.10 = 56,520.04 : x
  2. Step 2: Convert to fraction form
    94,311.40/130,106.10 = 56,520.04/x
  3. Step 3: Cross multiply
    94,311.40x = 130,106.10 × 56,520.04
  4. Step 4: Simplify right side
    94,311.40x = 7,353,601,976.24
  5. Step 5: Solve for x
    x = 7,353,601,976.24/94,311.40
  6. Step 6: Final answer
    x = 77,971.51

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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.