Home / 58,175.53-80,312.64-39,155.29

Finding the Fourth Proportional to 58,175.53, 80,312.64 and 39,155.29

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Solution

The fourth proportional to 58,175.53, 80,312.64 and 39,155.29 is: 54,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,175.53 : 80,312.64 = 39,155.29 : x
  2. Step 2: Convert to fraction form
    58,175.53/80,312.64 = 39,155.29/x
  3. Step 3: Cross multiply
    58,175.53x = 80,312.64 × 39,155.29
  4. Step 4: Simplify right side
    58,175.53x = 3,144,664,709.87
  5. Step 5: Solve for x
    x = 3,144,664,709.87/58,175.53
  6. Step 6: Final answer
    x = 54,054.77

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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.