Home / 97,309.14-134,290.47-54,866.76

Finding the Fourth Proportional to 97,309.14, 134,290.47 and 54,866.76

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Solution

The fourth proportional to 97,309.14, 134,290.47 and 54,866.76 is: 75,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,309.14 : 134,290.47 = 54,866.76 : x
  2. Step 2: Convert to fraction form
    97,309.14/134,290.47 = 54,866.76/x
  3. Step 3: Cross multiply
    97,309.14x = 134,290.47 × 54,866.76
  4. Step 4: Simplify right side
    97,309.14x = 7,368,082,987.78
  5. Step 5: Solve for x
    x = 7,368,082,987.78/97,309.14
  6. Step 6: Final answer
    x = 75,718.30

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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.