Home / 127,624.73-176,127.95-71,039.75

Finding the Fourth Proportional to 127,624.73, 176,127.95 and 71,039.75

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Solution

The fourth proportional to 127,624.73, 176,127.95 and 71,039.75 is: 98,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,624.73 : 176,127.95 = 71,039.75 : x
  2. Step 2: Convert to fraction form
    127,624.73/176,127.95 = 71,039.75/x
  3. Step 3: Cross multiply
    127,624.73x = 176,127.95 × 71,039.75
  4. Step 4: Simplify right side
    127,624.73x = 12,512,084,832.97
  5. Step 5: Solve for x
    x = 12,512,084,832.97/127,624.73
  6. Step 6: Final answer
    x = 98,038.09

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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.