Home / 52,440.96-78,557.76-39,308.16

Finding the Fourth Proportional to 52,440.96, 78,557.76 and 39,308.16

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Solution

The fourth proportional to 52,440.96, 78,557.76 and 39,308.16 is: 58,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,440.96 : 78,557.76 = 39,308.16 : x
  2. Step 2: Convert to fraction form
    52,440.96/78,557.76 = 39,308.16/x
  3. Step 3: Cross multiply
    52,440.96x = 78,557.76 × 39,308.16
  4. Step 4: Simplify right side
    52,440.96x = 3,087,960,999.32
  5. Step 5: Solve for x
    x = 3,087,960,999.32/52,440.96
  6. Step 6: Final answer
    x = 58,884.52

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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.