Home / 105,021.12-144,934.28-59,095.14

Finding the Fourth Proportional to 105,021.12, 144,934.28 and 59,095.14

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Solution

The fourth proportional to 105,021.12, 144,934.28 and 59,095.14 is: 81,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,021.12 : 144,934.28 = 59,095.14 : x
  2. Step 2: Convert to fraction form
    105,021.12/144,934.28 = 59,095.14/x
  3. Step 3: Cross multiply
    105,021.12x = 144,934.28 × 59,095.14
  4. Step 4: Simplify right side
    105,021.12x = 8,564,911,271.92
  5. Step 5: Solve for x
    x = 8,564,911,271.92/105,021.12
  6. Step 6: Final answer
    x = 81,554.18

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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.