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Finding the Fourth Proportional to 84,130.52, 116,101.52 and 45,890.08

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Solution

The fourth proportional to 84,130.52, 116,101.52 and 45,890.08 is: 63,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,130.52 : 116,101.52 = 45,890.08 : x
  2. Step 2: Convert to fraction form
    84,130.52/116,101.52 = 45,890.08/x
  3. Step 3: Cross multiply
    84,130.52x = 116,101.52 × 45,890.08
  4. Step 4: Simplify right side
    84,130.52x = 5,327,908,040.92
  5. Step 5: Solve for x
    x = 5,327,908,040.92/84,130.52
  6. Step 6: Final answer
    x = 63,329.08

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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.