Home / 56,598.40-78,114.54-40,735.36

Finding the Fourth Proportional to 56,598.40, 78,114.54 and 40,735.36

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Solution

The fourth proportional to 56,598.40, 78,114.54 and 40,735.36 is: 56,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,598.40 : 78,114.54 = 40,735.36 : x
  2. Step 2: Convert to fraction form
    56,598.40/78,114.54 = 40,735.36/x
  3. Step 3: Cross multiply
    56,598.40x = 78,114.54 × 40,735.36
  4. Step 4: Simplify right side
    56,598.40x = 3,182,023,908.13
  5. Step 5: Solve for x
    x = 3,182,023,908.13/56,598.40
  6. Step 6: Final answer
    x = 56,221.09

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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.