Home / 52,445.78-78,667.23-13,002.02

Finding the Fourth Proportional to 52,445.78, 78,667.23 and 13,002.02

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Solution

The fourth proportional to 52,445.78, 78,667.23 and 13,002.02 is: 19,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,445.78 : 78,667.23 = 13,002.02 : x
  2. Step 2: Convert to fraction form
    52,445.78/78,667.23 = 13,002.02/x
  3. Step 3: Cross multiply
    52,445.78x = 78,667.23 × 13,002.02
  4. Step 4: Simplify right side
    52,445.78x = 1,022,832,897.80
  5. Step 5: Solve for x
    x = 1,022,832,897.80/52,445.78
  6. Step 6: Final answer
    x = 19,502.67

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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.