Home / 52,250.77-78,376.11-12,807.52

Finding the Fourth Proportional to 52,250.77, 78,376.11 and 12,807.52

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Solution

The fourth proportional to 52,250.77, 78,376.11 and 12,807.52 is: 19,211.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,250.77 : 78,376.11 = 12,807.52 : x
  2. Step 2: Convert to fraction form
    52,250.77/78,376.11 = 12,807.52/x
  3. Step 3: Cross multiply
    52,250.77x = 78,376.11 × 12,807.52
  4. Step 4: Simplify right side
    52,250.77x = 1,003,803,352.38
  5. Step 5: Solve for x
    x = 1,003,803,352.38/52,250.77
  6. Step 6: Final answer
    x = 19,211.26

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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.