Home / 52,117.08-71,838.24-36,978.18

Finding the Fourth Proportional to 52,117.08, 71,838.24 and 36,978.18

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Solution

The fourth proportional to 52,117.08, 71,838.24 and 36,978.18 is: 50,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,117.08 : 71,838.24 = 36,978.18 : x
  2. Step 2: Convert to fraction form
    52,117.08/71,838.24 = 36,978.18/x
  3. Step 3: Cross multiply
    52,117.08x = 71,838.24 × 36,978.18
  4. Step 4: Simplify right side
    52,117.08x = 2,656,447,369.60
  5. Step 5: Solve for x
    x = 2,656,447,369.60/52,117.08
  6. Step 6: Final answer
    x = 50,970.76

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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.