Home / 94,722.42-130,707.63-52,278.21

Finding the Fourth Proportional to 94,722.42, 130,707.63 and 52,278.21

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Solution

The fourth proportional to 94,722.42, 130,707.63 and 52,278.21 is: 72,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,722.42 : 130,707.63 = 52,278.21 : x
  2. Step 2: Convert to fraction form
    94,722.42/130,707.63 = 52,278.21/x
  3. Step 3: Cross multiply
    94,722.42x = 130,707.63 × 52,278.21
  4. Step 4: Simplify right side
    94,722.42x = 6,833,160,995.12
  5. Step 5: Solve for x
    x = 6,833,160,995.12/94,722.42
  6. Step 6: Final answer
    x = 72,138.80

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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.