Home / 45,114.48-67,555.08-31,117.68

Finding the Fourth Proportional to 45,114.48, 67,555.08 and 31,117.68

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Solution

The fourth proportional to 45,114.48, 67,555.08 and 31,117.68 is: 46,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,114.48 : 67,555.08 = 31,117.68 : x
  2. Step 2: Convert to fraction form
    45,114.48/67,555.08 = 31,117.68/x
  3. Step 3: Cross multiply
    45,114.48x = 67,555.08 × 31,117.68
  4. Step 4: Simplify right side
    45,114.48x = 2,102,157,361.81
  5. Step 5: Solve for x
    x = 2,102,157,361.81/45,114.48
  6. Step 6: Final answer
    x = 46,596.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.