Home / 58,784.80-81,076.11-38,662.35

Finding the Fourth Proportional to 58,784.80, 81,076.11 and 38,662.35

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Solution

The fourth proportional to 58,784.80, 81,076.11 and 38,662.35 is: 53,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,784.80 : 81,076.11 = 38,662.35 : x
  2. Step 2: Convert to fraction form
    58,784.80/81,076.11 = 38,662.35/x
  3. Step 3: Cross multiply
    58,784.80x = 81,076.11 × 38,662.35
  4. Step 4: Simplify right side
    58,784.80x = 3,134,592,941.46
  5. Step 5: Solve for x
    x = 3,134,592,941.46/58,784.80
  6. Step 6: Final answer
    x = 53,323.19

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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.