Home / 59,783.78-81,904.14-57,541.70

Finding the Fourth Proportional to 59,783.78, 81,904.14 and 57,541.70

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Solution

The fourth proportional to 59,783.78, 81,904.14 and 57,541.70 is: 78,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,783.78 : 81,904.14 = 57,541.70 : x
  2. Step 2: Convert to fraction form
    59,783.78/81,904.14 = 57,541.70/x
  3. Step 3: Cross multiply
    59,783.78x = 81,904.14 × 57,541.70
  4. Step 4: Simplify right side
    59,783.78x = 4,712,903,452.64
  5. Step 5: Solve for x
    x = 4,712,903,452.64/59,783.78
  6. Step 6: Final answer
    x = 78,832.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.