Home / 52,616.08-78,909.32-14,656.72

Finding the Fourth Proportional to 52,616.08, 78,909.32 and 14,656.72

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Solution

The fourth proportional to 52,616.08, 78,909.32 and 14,656.72 is: 21,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,616.08 : 78,909.32 = 14,656.72 : x
  2. Step 2: Convert to fraction form
    52,616.08/78,909.32 = 14,656.72/x
  3. Step 3: Cross multiply
    52,616.08x = 78,909.32 × 14,656.72
  4. Step 4: Simplify right side
    52,616.08x = 1,156,551,808.63
  5. Step 5: Solve for x
    x = 1,156,551,808.63/52,616.08
  6. Step 6: Final answer
    x = 21,980.96

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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.