Home / 81,965.07-112,818.15-58,050.36

Finding the Fourth Proportional to 81,965.07, 112,818.15 and 58,050.36

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Solution

The fourth proportional to 81,965.07, 112,818.15 and 58,050.36 is: 79,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,965.07 : 112,818.15 = 58,050.36 : x
  2. Step 2: Convert to fraction form
    81,965.07/112,818.15 = 58,050.36/x
  3. Step 3: Cross multiply
    81,965.07x = 112,818.15 × 58,050.36
  4. Step 4: Simplify right side
    81,965.07x = 6,549,134,222.03
  5. Step 5: Solve for x
    x = 6,549,134,222.03/81,965.07
  6. Step 6: Final answer
    x = 79,901.53

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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.