Home / 104,378.80-144,043.32-56,632.24

Finding the Fourth Proportional to 104,378.80, 144,043.32 and 56,632.24

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Solution

The fourth proportional to 104,378.80, 144,043.32 and 56,632.24 is: 78,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,378.80 : 144,043.32 = 56,632.24 : x
  2. Step 2: Convert to fraction form
    104,378.80/144,043.32 = 56,632.24/x
  3. Step 3: Cross multiply
    104,378.80x = 144,043.32 × 56,632.24
  4. Step 4: Simplify right side
    104,378.80x = 8,157,495,868.64
  5. Step 5: Solve for x
    x = 8,157,495,868.64/104,378.80
  6. Step 6: Final answer
    x = 78,152.80

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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.