Home / 91,175.32-125,722.74-59,285.08

Finding the Fourth Proportional to 91,175.32, 125,722.74 and 59,285.08

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Solution

The fourth proportional to 91,175.32, 125,722.74 and 59,285.08 is: 81,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,175.32 : 125,722.74 = 59,285.08 : x
  2. Step 2: Convert to fraction form
    91,175.32/125,722.74 = 59,285.08/x
  3. Step 3: Cross multiply
    91,175.32x = 125,722.74 × 59,285.08
  4. Step 4: Simplify right side
    91,175.32x = 7,453,482,698.72
  5. Step 5: Solve for x
    x = 7,453,482,698.72/91,175.32
  6. Step 6: Final answer
    x = 81,748.91

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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.