Home / 86,557.36-129,897.55-33,966.84

Finding the Fourth Proportional to 86,557.36, 129,897.55 and 33,966.84

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Solution

The fourth proportional to 86,557.36, 129,897.55 and 33,966.84 is: 50,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,557.36 : 129,897.55 = 33,966.84 : x
  2. Step 2: Convert to fraction form
    86,557.36/129,897.55 = 33,966.84/x
  3. Step 3: Cross multiply
    86,557.36x = 129,897.55 × 33,966.84
  4. Step 4: Simplify right side
    86,557.36x = 4,412,209,731.28
  5. Step 5: Solve for x
    x = 4,412,209,731.28/86,557.36
  6. Step 6: Final answer
    x = 50,974.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.