Home / 112,341.12-155,015.82-67,024.32

Finding the Fourth Proportional to 112,341.12, 155,015.82 and 67,024.32

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Solution

The fourth proportional to 112,341.12, 155,015.82 and 67,024.32 is: 92,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,341.12 : 155,015.82 = 67,024.32 : x
  2. Step 2: Convert to fraction form
    112,341.12/155,015.82 = 67,024.32/x
  3. Step 3: Cross multiply
    112,341.12x = 155,015.82 × 67,024.32
  4. Step 4: Simplify right side
    112,341.12x = 10,389,829,924.74
  5. Step 5: Solve for x
    x = 10,389,829,924.74/112,341.12
  6. Step 6: Final answer
    x = 92,484.66

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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.