Home / 42,085.84-63,212.80-26,318.92

Finding the Fourth Proportional to 42,085.84, 63,212.80 and 26,318.92

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Solution

The fourth proportional to 42,085.84, 63,212.80 and 26,318.92 is: 39,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,085.84 : 63,212.80 = 26,318.92 : x
  2. Step 2: Convert to fraction form
    42,085.84/63,212.80 = 26,318.92/x
  3. Step 3: Cross multiply
    42,085.84x = 63,212.80 × 26,318.92
  4. Step 4: Simplify right side
    42,085.84x = 1,663,692,626.18
  5. Step 5: Solve for x
    x = 1,663,692,626.18/42,085.84
  6. Step 6: Final answer
    x = 39,530.94

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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.