Home / 86,469.18-119,309.32-52,495.55

Finding the Fourth Proportional to 86,469.18, 119,309.32 and 52,495.55

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Solution

The fourth proportional to 86,469.18, 119,309.32 and 52,495.55 is: 72,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,469.18 : 119,309.32 = 52,495.55 : x
  2. Step 2: Convert to fraction form
    86,469.18/119,309.32 = 52,495.55/x
  3. Step 3: Cross multiply
    86,469.18x = 119,309.32 × 52,495.55
  4. Step 4: Simplify right side
    86,469.18x = 6,263,208,373.53
  5. Step 5: Solve for x
    x = 6,263,208,373.53/86,469.18
  6. Step 6: Final answer
    x = 72,432.84

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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.