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Finding the Fourth Proportional to 84,483.01, 116,586.25 and 45,720.75

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Solution

The fourth proportional to 84,483.01, 116,586.25 and 45,720.75 is: 63,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,483.01 : 116,586.25 = 45,720.75 : x
  2. Step 2: Convert to fraction form
    84,483.01/116,586.25 = 45,720.75/x
  3. Step 3: Cross multiply
    84,483.01x = 116,586.25 × 45,720.75
  4. Step 4: Simplify right side
    84,483.01x = 5,330,411,112.58
  5. Step 5: Solve for x
    x = 5,330,411,112.58/84,483.01
  6. Step 6: Final answer
    x = 63,094.47

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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.