Home / 66,269.49-91,325.93-47,373.81

Finding the Fourth Proportional to 66,269.49, 91,325.93 and 47,373.81

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Solution

The fourth proportional to 66,269.49, 91,325.93 and 47,373.81 is: 65,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,269.49 : 91,325.93 = 47,373.81 : x
  2. Step 2: Convert to fraction form
    66,269.49/91,325.93 = 47,373.81/x
  3. Step 3: Cross multiply
    66,269.49x = 91,325.93 × 47,373.81
  4. Step 4: Simplify right side
    66,269.49x = 4,326,457,019.02
  5. Step 5: Solve for x
    x = 4,326,457,019.02/66,269.49
  6. Step 6: Final answer
    x = 65,285.81

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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.