Home / 56,670.52-78,196.44-31,520.04

Finding the Fourth Proportional to 56,670.52, 78,196.44 and 31,520.04

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Solution

The fourth proportional to 56,670.52, 78,196.44 and 31,520.04 is: 43,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,670.52 : 78,196.44 = 31,520.04 : x
  2. Step 2: Convert to fraction form
    56,670.52/78,196.44 = 31,520.04/x
  3. Step 3: Cross multiply
    56,670.52x = 78,196.44 × 31,520.04
  4. Step 4: Simplify right side
    56,670.52x = 2,464,754,916.66
  5. Step 5: Solve for x
    x = 2,464,754,916.66/56,670.52
  6. Step 6: Final answer
    x = 43,492.72

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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.