Home / 61,688.28-85,130.40-33,394.56

Finding the Fourth Proportional to 61,688.28, 85,130.40 and 33,394.56

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Solution

The fourth proportional to 61,688.28, 85,130.40 and 33,394.56 is: 46,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,688.28 : 85,130.40 = 33,394.56 : x
  2. Step 2: Convert to fraction form
    61,688.28/85,130.40 = 33,394.56/x
  3. Step 3: Cross multiply
    61,688.28x = 85,130.40 × 33,394.56
  4. Step 4: Simplify right side
    61,688.28x = 2,842,892,250.62
  5. Step 5: Solve for x
    x = 2,842,892,250.62/61,688.28
  6. Step 6: Final answer
    x = 46,084.80

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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.