Home / 57,246.90-85,870.35-51,123.30

Finding the Fourth Proportional to 57,246.90, 85,870.35 and 51,123.30

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Solution

The fourth proportional to 57,246.90, 85,870.35 and 51,123.30 is: 76,684.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,246.90 : 85,870.35 = 51,123.30 : x
  2. Step 2: Convert to fraction form
    57,246.90/85,870.35 = 51,123.30/x
  3. Step 3: Cross multiply
    57,246.90x = 85,870.35 × 51,123.30
  4. Step 4: Simplify right side
    57,246.90x = 4,389,975,664.16
  5. Step 5: Solve for x
    x = 4,389,975,664.16/57,246.90
  6. Step 6: Final answer
    x = 76,684.95

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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.