Home / 104,225.53-143,831.75-56,478.96

Finding the Fourth Proportional to 104,225.53, 143,831.75 and 56,478.96

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Solution

The fourth proportional to 104,225.53, 143,831.75 and 56,478.96 is: 77,941.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,225.53 : 143,831.75 = 56,478.96 : x
  2. Step 2: Convert to fraction form
    104,225.53/143,831.75 = 56,478.96/x
  3. Step 3: Cross multiply
    104,225.53x = 143,831.75 × 56,478.96
  4. Step 4: Simplify right side
    104,225.53x = 8,123,467,911.95
  5. Step 5: Solve for x
    x = 8,123,467,911.95/104,225.53
  6. Step 6: Final answer
    x = 77,941.25

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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.