Home / 94,721.12-130,714.49-52,279.64

Finding the Fourth Proportional to 94,721.12, 130,714.49 and 52,279.64

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Solution

The fourth proportional to 94,721.12, 130,714.49 and 52,279.64 is: 72,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,721.12 : 130,714.49 = 52,279.64 : x
  2. Step 2: Convert to fraction form
    94,721.12/130,714.49 = 52,279.64/x
  3. Step 3: Cross multiply
    94,721.12x = 130,714.49 × 52,279.64
  4. Step 4: Simplify right side
    94,721.12x = 6,833,706,545.37
  5. Step 5: Solve for x
    x = 6,833,706,545.37/94,721.12
  6. Step 6: Final answer
    x = 72,145.55

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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.