Home / 56,564.08-78,059.08-31,071.04

Finding the Fourth Proportional to 56,564.08, 78,059.08 and 31,071.04

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Solution

The fourth proportional to 56,564.08, 78,059.08 and 31,071.04 is: 42,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,564.08 : 78,059.08 = 31,071.04 : x
  2. Step 2: Convert to fraction form
    56,564.08/78,059.08 = 31,071.04/x
  3. Step 3: Cross multiply
    56,564.08x = 78,059.08 × 31,071.04
  4. Step 4: Simplify right side
    56,564.08x = 2,425,376,640.73
  5. Step 5: Solve for x
    x = 2,425,376,640.73/56,564.08
  6. Step 6: Final answer
    x = 42,878.39

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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.