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Finding the Fourth Proportional to 94,101.82, 129,852.48 and 53,809.08

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Solution

The fourth proportional to 94,101.82, 129,852.48 and 53,809.08 is: 74,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,101.82 : 129,852.48 = 53,809.08 : x
  2. Step 2: Convert to fraction form
    94,101.82/129,852.48 = 53,809.08/x
  3. Step 3: Cross multiply
    94,101.82x = 129,852.48 × 53,809.08
  4. Step 4: Simplify right side
    94,101.82x = 6,987,242,484.52
  5. Step 5: Solve for x
    x = 6,987,242,484.52/94,101.82
  6. Step 6: Final answer
    x = 74,251.94

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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.