Home / 97,790.32-134,904.99-57,503.35

Finding the Fourth Proportional to 97,790.32, 134,904.99 and 57,503.35

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Solution

The fourth proportional to 97,790.32, 134,904.99 and 57,503.35 is: 79,327.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,790.32 : 134,904.99 = 57,503.35 : x
  2. Step 2: Convert to fraction form
    97,790.32/134,904.99 = 57,503.35/x
  3. Step 3: Cross multiply
    97,790.32x = 134,904.99 × 57,503.35
  4. Step 4: Simplify right side
    97,790.32x = 7,757,488,856.72
  5. Step 5: Solve for x
    x = 7,757,488,856.72/97,790.32
  6. Step 6: Final answer
    x = 79,327.78

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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.