Home / 105,590.42-145,725.22-60,275.22

Finding the Fourth Proportional to 105,590.42, 145,725.22 and 60,275.22

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Solution

The fourth proportional to 105,590.42, 145,725.22 and 60,275.22 is: 83,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,590.42 : 145,725.22 = 60,275.22 : x
  2. Step 2: Convert to fraction form
    105,590.42/145,725.22 = 60,275.22/x
  3. Step 3: Cross multiply
    105,590.42x = 145,725.22 × 60,275.22
  4. Step 4: Simplify right side
    105,590.42x = 8,783,618,966.42
  5. Step 5: Solve for x
    x = 8,783,618,966.42/105,590.42
  6. Step 6: Final answer
    x = 83,185.76

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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.