Home / 81,597.48-112,514.58-56,403.24

Finding the Fourth Proportional to 81,597.48, 112,514.58 and 56,403.24

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Solution

The fourth proportional to 81,597.48, 112,514.58 and 56,403.24 is: 77,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,597.48 : 112,514.58 = 56,403.24 : x
  2. Step 2: Convert to fraction form
    81,597.48/112,514.58 = 56,403.24/x
  3. Step 3: Cross multiply
    81,597.48x = 112,514.58 × 56,403.24
  4. Step 4: Simplify right side
    81,597.48x = 6,346,186,859.24
  5. Step 5: Solve for x
    x = 6,346,186,859.24/81,597.48
  6. Step 6: Final answer
    x = 77,774.30

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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.