Home / 63,015.64-86,963.19-34,721.35

Finding the Fourth Proportional to 63,015.64, 86,963.19 and 34,721.35

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Solution

The fourth proportional to 63,015.64, 86,963.19 and 34,721.35 is: 47,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,015.64 : 86,963.19 = 34,721.35 : x
  2. Step 2: Convert to fraction form
    63,015.64/86,963.19 = 34,721.35/x
  3. Step 3: Cross multiply
    63,015.64x = 86,963.19 × 34,721.35
  4. Step 4: Simplify right side
    63,015.64x = 3,019,478,922.29
  5. Step 5: Solve for x
    x = 3,019,478,922.29/63,015.64
  6. Step 6: Final answer
    x = 47,916.35

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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.