Home / 56,848.50-78,450.93-31,697.46

Finding the Fourth Proportional to 56,848.50, 78,450.93 and 31,697.46

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Solution

The fourth proportional to 56,848.50, 78,450.93 and 31,697.46 is: 43,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,848.50 : 78,450.93 = 31,697.46 : x
  2. Step 2: Convert to fraction form
    56,848.50/78,450.93 = 31,697.46/x
  3. Step 3: Cross multiply
    56,848.50x = 78,450.93 × 31,697.46
  4. Step 4: Simplify right side
    56,848.50x = 2,486,695,215.64
  5. Step 5: Solve for x
    x = 2,486,695,215.64/56,848.50
  6. Step 6: Final answer
    x = 43,742.49

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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.