Home / 52,202.04-78,302.76-12,758.82

Finding the Fourth Proportional to 52,202.04, 78,302.76 and 12,758.82

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Solution

The fourth proportional to 52,202.04, 78,302.76 and 12,758.82 is: 19,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,202.04 : 78,302.76 = 12,758.82 : x
  2. Step 2: Convert to fraction form
    52,202.04/78,302.76 = 12,758.82/x
  3. Step 3: Cross multiply
    52,202.04x = 78,302.76 × 12,758.82
  4. Step 4: Simplify right side
    52,202.04x = 999,050,820.34
  5. Step 5: Solve for x
    x = 999,050,820.34/52,202.04
  6. Step 6: Final answer
    x = 19,138.16

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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.