Home / 56,376.49-77,780.23-32,160.05

Finding the Fourth Proportional to 56,376.49, 77,780.23 and 32,160.05

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Solution

The fourth proportional to 56,376.49, 77,780.23 and 32,160.05 is: 44,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376.49 : 77,780.23 = 32,160.05 : x
  2. Step 2: Convert to fraction form
    56,376.49/77,780.23 = 32,160.05/x
  3. Step 3: Cross multiply
    56,376.49x = 77,780.23 × 32,160.05
  4. Step 4: Simplify right side
    56,376.49x = 2,501,416,085.81
  5. Step 5: Solve for x
    x = 2,501,416,085.81/56,376.49
  6. Step 6: Final answer
    x = 44,369.85

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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.