Home / 56,807.08-78,435.50-36,675.72

Finding the Fourth Proportional to 56,807.08, 78,435.50 and 36,675.72

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Solution

The fourth proportional to 56,807.08, 78,435.50 and 36,675.72 is: 50,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,807.08 : 78,435.50 = 36,675.72 : x
  2. Step 2: Convert to fraction form
    56,807.08/78,435.50 = 36,675.72/x
  3. Step 3: Cross multiply
    56,807.08x = 78,435.50 × 36,675.72
  4. Step 4: Simplify right side
    56,807.08x = 2,876,678,436.06
  5. Step 5: Solve for x
    x = 2,876,678,436.06/56,807.08
  6. Step 6: Final answer
    x = 50,639.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.