Home / 46,811.48-64,623.30-31,783.64

Finding the Fourth Proportional to 46,811.48, 64,623.30 and 31,783.64

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Solution

The fourth proportional to 46,811.48, 64,623.30 and 31,783.64 is: 43,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,811.48 : 64,623.30 = 31,783.64 : x
  2. Step 2: Convert to fraction form
    46,811.48/64,623.30 = 31,783.64/x
  3. Step 3: Cross multiply
    46,811.48x = 64,623.30 × 31,783.64
  4. Step 4: Simplify right side
    46,811.48x = 2,053,963,702.81
  5. Step 5: Solve for x
    x = 2,053,963,702.81/46,811.48
  6. Step 6: Final answer
    x = 43,877.35

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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.