Home / 93,034.12-128,403.48-54,795.64

Finding the Fourth Proportional to 93,034.12, 128,403.48 and 54,795.64

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Solution

The fourth proportional to 93,034.12, 128,403.48 and 54,795.64 is: 75,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,034.12 : 128,403.48 = 54,795.64 : x
  2. Step 2: Convert to fraction form
    93,034.12/128,403.48 = 54,795.64/x
  3. Step 3: Cross multiply
    93,034.12x = 128,403.48 × 54,795.64
  4. Step 4: Simplify right side
    93,034.12x = 7,035,950,864.83
  5. Step 5: Solve for x
    x = 7,035,950,864.83/93,034.12
  6. Step 6: Final answer
    x = 75,627.64

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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.