Home / 61,602.12-85,011.62-33,308.36

Finding the Fourth Proportional to 61,602.12, 85,011.62 and 33,308.36

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Solution

The fourth proportional to 61,602.12, 85,011.62 and 33,308.36 is: 45,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,602.12 : 85,011.62 = 33,308.36 : x
  2. Step 2: Convert to fraction form
    61,602.12/85,011.62 = 33,308.36/x
  3. Step 3: Cross multiply
    61,602.12x = 85,011.62 × 33,308.36
  4. Step 4: Simplify right side
    61,602.12x = 2,831,597,643.14
  5. Step 5: Solve for x
    x = 2,831,597,643.14/61,602.12
  6. Step 6: Final answer
    x = 45,965.91

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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.