Home / 56,690.08-78,232.48-31,196.49

Finding the Fourth Proportional to 56,690.08, 78,232.48 and 31,196.49

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Solution

The fourth proportional to 56,690.08, 78,232.48 and 31,196.49 is: 43,051.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,690.08 : 78,232.48 = 31,196.49 : x
  2. Step 2: Convert to fraction form
    56,690.08/78,232.48 = 31,196.49/x
  3. Step 3: Cross multiply
    56,690.08x = 78,232.48 × 31,196.49
  4. Step 4: Simplify right side
    56,690.08x = 2,440,579,024.17
  5. Step 5: Solve for x
    x = 2,440,579,024.17/56,690.08
  6. Step 6: Final answer
    x = 43,051.26

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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.