Home / 64,748.56-97,124.10-18,000.76

Finding the Fourth Proportional to 64,748.56, 97,124.10 and 18,000.76

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Solution

The fourth proportional to 64,748.56, 97,124.10 and 18,000.76 is: 27,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,748.56 : 97,124.10 = 18,000.76 : x
  2. Step 2: Convert to fraction form
    64,748.56/97,124.10 = 18,000.76/x
  3. Step 3: Cross multiply
    64,748.56x = 97,124.10 × 18,000.76
  4. Step 4: Simplify right side
    64,748.56x = 1,748,307,614.32
  5. Step 5: Solve for x
    x = 1,748,307,614.32/64,748.56
  6. Step 6: Final answer
    x = 27,001.49

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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.