Home / 84,790.53-117,005.08-47,061.81

Finding the Fourth Proportional to 84,790.53, 117,005.08 and 47,061.81

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Solution

The fourth proportional to 84,790.53, 117,005.08 and 47,061.81 is: 64,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,790.53 : 117,005.08 = 47,061.81 : x
  2. Step 2: Convert to fraction form
    84,790.53/117,005.08 = 47,061.81/x
  3. Step 3: Cross multiply
    84,790.53x = 117,005.08 × 47,061.81
  4. Step 4: Simplify right side
    84,790.53x = 5,506,471,136.51
  5. Step 5: Solve for x
    x = 5,506,471,136.51/84,790.53
  6. Step 6: Final answer
    x = 64,942.05

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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.