Home / 45,883.12-63,345.85-28,901.92

Finding the Fourth Proportional to 45,883.12, 63,345.85 and 28,901.92

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Solution

The fourth proportional to 45,883.12, 63,345.85 and 28,901.92 is: 39,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,883.12 : 63,345.85 = 28,901.92 : x
  2. Step 2: Convert to fraction form
    45,883.12/63,345.85 = 28,901.92/x
  3. Step 3: Cross multiply
    45,883.12x = 63,345.85 × 28,901.92
  4. Step 4: Simplify right side
    45,883.12x = 1,830,816,858.53
  5. Step 5: Solve for x
    x = 1,830,816,858.53/45,883.12
  6. Step 6: Final answer
    x = 39,901.75

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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.