Home / 45,070.95-62,081.43-31,434.84

Finding the Fourth Proportional to 45,070.95, 62,081.43 and 31,434.84

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Solution

The fourth proportional to 45,070.95, 62,081.43 and 31,434.84 is: 43,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,070.95 : 62,081.43 = 31,434.84 : x
  2. Step 2: Convert to fraction form
    45,070.95/62,081.43 = 31,434.84/x
  3. Step 3: Cross multiply
    45,070.95x = 62,081.43 × 31,434.84
  4. Step 4: Simplify right side
    45,070.95x = 1,951,519,819.02
  5. Step 5: Solve for x
    x = 1,951,519,819.02/45,070.95
  6. Step 6: Final answer
    x = 43,298.84

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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.