Home / 127,300.81-175,670.21-70,715.77

Finding the Fourth Proportional to 127,300.81, 175,670.21 and 70,715.77

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Solution

The fourth proportional to 127,300.81, 175,670.21 and 70,715.77 is: 97,585.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,300.81 : 175,670.21 = 70,715.77 : x
  2. Step 2: Convert to fraction form
    127,300.81/175,670.21 = 70,715.77/x
  3. Step 3: Cross multiply
    127,300.81x = 175,670.21 × 70,715.77
  4. Step 4: Simplify right side
    127,300.81x = 12,422,653,812.63
  5. Step 5: Solve for x
    x = 12,422,653,812.63/127,300.81
  6. Step 6: Final answer
    x = 97,585.03

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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.