Home / 93,258.24-128,695.80-50,816.64

Finding the Fourth Proportional to 93,258.24, 128,695.80 and 50,816.64

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Solution

The fourth proportional to 93,258.24, 128,695.80 and 50,816.64 is: 70,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,258.24 : 128,695.80 = 50,816.64 : x
  2. Step 2: Convert to fraction form
    93,258.24/128,695.80 = 50,816.64/x
  3. Step 3: Cross multiply
    93,258.24x = 128,695.80 × 50,816.64
  4. Step 4: Simplify right side
    93,258.24x = 6,539,888,138.11
  5. Step 5: Solve for x
    x = 6,539,888,138.11/93,258.24
  6. Step 6: Final answer
    x = 70,126.65

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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.