Home / 83,897.12-115,777.96-46,171.40

Finding the Fourth Proportional to 83,897.12, 115,777.96 and 46,171.40

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Solution

The fourth proportional to 83,897.12, 115,777.96 and 46,171.40 is: 63,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,897.12 : 115,777.96 = 46,171.40 : x
  2. Step 2: Convert to fraction form
    83,897.12/115,777.96 = 46,171.40/x
  3. Step 3: Cross multiply
    83,897.12x = 115,777.96 × 46,171.40
  4. Step 4: Simplify right side
    83,897.12x = 5,345,630,502.34
  5. Step 5: Solve for x
    x = 5,345,630,502.34/83,897.12
  6. Step 6: Final answer
    x = 63,716.50

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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.