Home / 55,865.42-77,094.25-30,714.92

Finding the Fourth Proportional to 55,865.42, 77,094.25 and 30,714.92

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Solution

The fourth proportional to 55,865.42, 77,094.25 and 30,714.92 is: 42,386.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,865.42 : 77,094.25 = 30,714.92 : x
  2. Step 2: Convert to fraction form
    55,865.42/77,094.25 = 30,714.92/x
  3. Step 3: Cross multiply
    55,865.42x = 77,094.25 × 30,714.92
  4. Step 4: Simplify right side
    55,865.42x = 2,367,943,721.21
  5. Step 5: Solve for x
    x = 2,367,943,721.21/55,865.42
  6. Step 6: Final answer
    x = 42,386.57

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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.