Home / 97,659.45-134,780.09-59,421.74

Finding the Fourth Proportional to 97,659.45, 134,780.09 and 59,421.74

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Solution

The fourth proportional to 97,659.45, 134,780.09 and 59,421.74 is: 82,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,659.45 : 134,780.09 = 59,421.74 : x
  2. Step 2: Convert to fraction form
    97,659.45/134,780.09 = 59,421.74/x
  3. Step 3: Cross multiply
    97,659.45x = 134,780.09 × 59,421.74
  4. Step 4: Simplify right side
    97,659.45x = 8,008,866,494.15
  5. Step 5: Solve for x
    x = 8,008,866,494.15/97,659.45
  6. Step 6: Final answer
    x = 82,008.11

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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.