Home / 97,407.41-134,444.61-57,134.15

Finding the Fourth Proportional to 97,407.41, 134,444.61 and 57,134.15

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Solution

The fourth proportional to 97,407.41, 134,444.61 and 57,134.15 is: 78,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,407.41 : 134,444.61 = 57,134.15 : x
  2. Step 2: Convert to fraction form
    97,407.41/134,444.61 = 57,134.15/x
  3. Step 3: Cross multiply
    97,407.41x = 134,444.61 × 57,134.15
  4. Step 4: Simplify right side
    97,407.41x = 7,681,378,514.43
  5. Step 5: Solve for x
    x = 7,681,378,514.43/97,407.41
  6. Step 6: Final answer
    x = 78,858.26

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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.