Home / 71,036.13-106,554.18-21,116.01

Finding the Fourth Proportional to 71,036.13, 106,554.18 and 21,116.01

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Solution

The fourth proportional to 71,036.13, 106,554.18 and 21,116.01 is: 31,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,036.13 : 106,554.18 = 21,116.01 : x
  2. Step 2: Convert to fraction form
    71,036.13/106,554.18 = 21,116.01/x
  3. Step 3: Cross multiply
    71,036.13x = 106,554.18 × 21,116.01
  4. Step 4: Simplify right side
    71,036.13x = 2,249,999,130.42
  5. Step 5: Solve for x
    x = 2,249,999,130.42/71,036.13
  6. Step 6: Final answer
    x = 31,674.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.