Home / 102,577.08-141,559.30-57,254.12

Finding the Fourth Proportional to 102,577.08, 141,559.30 and 57,254.12

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Solution

The fourth proportional to 102,577.08, 141,559.30 and 57,254.12 is: 79,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,577.08 : 141,559.30 = 57,254.12 : x
  2. Step 2: Convert to fraction form
    102,577.08/141,559.30 = 57,254.12/x
  3. Step 3: Cross multiply
    102,577.08x = 141,559.30 × 57,254.12
  4. Step 4: Simplify right side
    102,577.08x = 8,104,853,149.32
  5. Step 5: Solve for x
    x = 8,104,853,149.32/102,577.08
  6. Step 6: Final answer
    x = 79,012.32

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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.