Home / 85,792.32-118,393.40-52,258.32

Finding the Fourth Proportional to 85,792.32, 118,393.40 and 52,258.32

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Solution

The fourth proportional to 85,792.32, 118,393.40 and 52,258.32 is: 72,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,792.32 : 118,393.40 = 52,258.32 : x
  2. Step 2: Convert to fraction form
    85,792.32/118,393.40 = 52,258.32/x
  3. Step 3: Cross multiply
    85,792.32x = 118,393.40 × 52,258.32
  4. Step 4: Simplify right side
    85,792.32x = 6,187,039,921.80
  5. Step 5: Solve for x
    x = 6,187,039,921.80/85,792.32
  6. Step 6: Final answer
    x = 72,116.48

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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.