Home / 81,840.27-112,938.50-46,030.28

Finding the Fourth Proportional to 81,840.27, 112,938.50 and 46,030.28

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Solution

The fourth proportional to 81,840.27, 112,938.50 and 46,030.28 is: 63,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,840.27 : 112,938.50 = 46,030.28 : x
  2. Step 2: Convert to fraction form
    81,840.27/112,938.50 = 46,030.28/x
  3. Step 3: Cross multiply
    81,840.27x = 112,938.50 × 46,030.28
  4. Step 4: Simplify right side
    81,840.27x = 5,198,590,328.16
  5. Step 5: Solve for x
    x = 5,198,590,328.16/81,840.27
  6. Step 6: Final answer
    x = 63,521.17

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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.