Home / 104,386.92-144,050.01-56,639.28

Finding the Fourth Proportional to 104,386.92, 144,050.01 and 56,639.28

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Solution

The fourth proportional to 104,386.92, 144,050.01 and 56,639.28 is: 78,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,386.92 : 144,050.01 = 56,639.28 : x
  2. Step 2: Convert to fraction form
    104,386.92/144,050.01 = 56,639.28/x
  3. Step 3: Cross multiply
    104,386.92x = 144,050.01 × 56,639.28
  4. Step 4: Simplify right side
    104,386.92x = 8,158,888,850.39
  5. Step 5: Solve for x
    x = 8,158,888,850.39/104,386.92
  6. Step 6: Final answer
    x = 78,160.07

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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.