Home / 62,818.35-86,690.16-34,138.58

Finding the Fourth Proportional to 62,818.35, 86,690.16 and 34,138.58

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Solution

The fourth proportional to 62,818.35, 86,690.16 and 34,138.58 is: 47,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,818.35 : 86,690.16 = 34,138.58 : x
  2. Step 2: Convert to fraction form
    62,818.35/86,690.16 = 34,138.58/x
  3. Step 3: Cross multiply
    62,818.35x = 86,690.16 × 34,138.58
  4. Step 4: Simplify right side
    62,818.35x = 2,959,478,528.92
  5. Step 5: Solve for x
    x = 2,959,478,528.92/62,818.35
  6. Step 6: Final answer
    x = 47,111.69

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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.