Home / 97,705.09-134,818.59-55,262.71

Finding the Fourth Proportional to 97,705.09, 134,818.59 and 55,262.71

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Solution

The fourth proportional to 97,705.09, 134,818.59 and 55,262.71 is: 76,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,705.09 : 134,818.59 = 55,262.71 : x
  2. Step 2: Convert to fraction form
    97,705.09/134,818.59 = 55,262.71/x
  3. Step 3: Cross multiply
    97,705.09x = 134,818.59 × 55,262.71
  4. Step 4: Simplify right side
    97,705.09x = 7,450,440,641.78
  5. Step 5: Solve for x
    x = 7,450,440,641.78/97,705.09
  6. Step 6: Final answer
    x = 76,254.38

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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.