Home / 86,570.46-129,914.01-33,973.74

Finding the Fourth Proportional to 86,570.46, 129,914.01 and 33,973.74

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Solution

The fourth proportional to 86,570.46, 129,914.01 and 33,973.74 is: 50,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,570.46 : 129,914.01 = 33,973.74 : x
  2. Step 2: Convert to fraction form
    86,570.46/129,914.01 = 33,973.74/x
  3. Step 3: Cross multiply
    86,570.46x = 129,914.01 × 33,973.74
  4. Step 4: Simplify right side
    86,570.46x = 4,413,664,798.10
  5. Step 5: Solve for x
    x = 4,413,664,798.10/86,570.46
  6. Step 6: Final answer
    x = 50,983.50

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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.