Home / 57,109.10-85,663.65-51,277.10

Finding the Fourth Proportional to 57,109.10, 85,663.65 and 51,277.10

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Solution

The fourth proportional to 57,109.10, 85,663.65 and 51,277.10 is: 76,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,109.10 : 85,663.65 = 51,277.10 : x
  2. Step 2: Convert to fraction form
    57,109.10/85,663.65 = 51,277.10/x
  3. Step 3: Cross multiply
    57,109.10x = 85,663.65 × 51,277.10
  4. Step 4: Simplify right side
    57,109.10x = 4,392,583,547.42
  5. Step 5: Solve for x
    x = 4,392,583,547.42/57,109.10
  6. Step 6: Final answer
    x = 76,915.65

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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.