Home / 57,759.08-86,666.36-28,160.76

Finding the Fourth Proportional to 57,759.08, 86,666.36 and 28,160.76

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Solution

The fourth proportional to 57,759.08, 86,666.36 and 28,160.76 is: 42,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,759.08 : 86,666.36 = 28,160.76 : x
  2. Step 2: Convert to fraction form
    57,759.08/86,666.36 = 28,160.76/x
  3. Step 3: Cross multiply
    57,759.08x = 86,666.36 × 28,160.76
  4. Step 4: Simplify right side
    57,759.08x = 2,440,590,748.23
  5. Step 5: Solve for x
    x = 2,440,590,748.23/57,759.08
  6. Step 6: Final answer
    x = 42,254.67

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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.