Home / 64,258.32-88,686.28-40,063.21

Finding the Fourth Proportional to 64,258.32, 88,686.28 and 40,063.21

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Solution

The fourth proportional to 64,258.32, 88,686.28 and 40,063.21 is: 55,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,258.32 : 88,686.28 = 40,063.21 : x
  2. Step 2: Convert to fraction form
    64,258.32/88,686.28 = 40,063.21/x
  3. Step 3: Cross multiply
    64,258.32x = 88,686.28 × 40,063.21
  4. Step 4: Simplify right side
    64,258.32x = 3,553,056,859.44
  5. Step 5: Solve for x
    x = 3,553,056,859.44/64,258.32
  6. Step 6: Final answer
    x = 55,293.34

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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.