Home / 65,123.48-97,685.40-18,376.32

Finding the Fourth Proportional to 65,123.48, 97,685.40 and 18,376.32

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Solution

The fourth proportional to 65,123.48, 97,685.40 and 18,376.32 is: 27,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,123.48 : 97,685.40 = 18,376.32 : x
  2. Step 2: Convert to fraction form
    65,123.48/97,685.40 = 18,376.32/x
  3. Step 3: Cross multiply
    65,123.48x = 97,685.40 × 18,376.32
  4. Step 4: Simplify right side
    65,123.48x = 1,795,098,169.73
  5. Step 5: Solve for x
    x = 1,795,098,169.73/65,123.48
  6. Step 6: Final answer
    x = 27,564.53

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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.