Home / 112,999.32-155,947.68-62,698.32

Finding the Fourth Proportional to 112,999.32, 155,947.68 and 62,698.32

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Solution

The fourth proportional to 112,999.32, 155,947.68 and 62,698.32 is: 86,528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,999.32 : 155,947.68 = 62,698.32 : x
  2. Step 2: Convert to fraction form
    112,999.32/155,947.68 = 62,698.32/x
  3. Step 3: Cross multiply
    112,999.32x = 155,947.68 × 62,698.32
  4. Step 4: Simplify right side
    112,999.32x = 9,777,657,543.90
  5. Step 5: Solve for x
    x = 9,777,657,543.90/112,999.32
  6. Step 6: Final answer
    x = 86,528.46

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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.