Home / 112,690.45-169,101.33-42,575.23

Finding the Fourth Proportional to 112,690.45, 169,101.33 and 42,575.23

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Solution

The fourth proportional to 112,690.45, 169,101.33 and 42,575.23 is: 63,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,690.45 : 169,101.33 = 42,575.23 : x
  2. Step 2: Convert to fraction form
    112,690.45/169,101.33 = 42,575.23/x
  3. Step 3: Cross multiply
    112,690.45x = 169,101.33 × 42,575.23
  4. Step 4: Simplify right side
    112,690.45x = 7,199,528,018.06
  5. Step 5: Solve for x
    x = 7,199,528,018.06/112,690.45
  6. Step 6: Final answer
    x = 63,887.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.