Home / 71,262.06-98,337.51-39,429.06

Finding the Fourth Proportional to 71,262.06, 98,337.51 and 39,429.06

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Solution

The fourth proportional to 71,262.06, 98,337.51 and 39,429.06 is: 54,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,262.06 : 98,337.51 = 39,429.06 : x
  2. Step 2: Convert to fraction form
    71,262.06/98,337.51 = 39,429.06/x
  3. Step 3: Cross multiply
    71,262.06x = 98,337.51 × 39,429.06
  4. Step 4: Simplify right side
    71,262.06x = 3,877,355,582.04
  5. Step 5: Solve for x
    x = 3,877,355,582.04/71,262.06
  6. Step 6: Final answer
    x = 54,409.82

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1.5x scale

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.