Home / 97,606.16-134,651.80-57,319.20

Finding the Fourth Proportional to 97,606.16, 134,651.80 and 57,319.20

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Solution

The fourth proportional to 97,606.16, 134,651.80 and 57,319.20 is: 79,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,606.16 : 134,651.80 = 57,319.20 : x
  2. Step 2: Convert to fraction form
    97,606.16/134,651.80 = 57,319.20/x
  3. Step 3: Cross multiply
    97,606.16x = 134,651.80 × 57,319.20
  4. Step 4: Simplify right side
    97,606.16x = 7,718,133,454.56
  5. Step 5: Solve for x
    x = 7,718,133,454.56/97,606.16
  6. Step 6: Final answer
    x = 79,074.25

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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.