Home / 127,516.53-175,972.34-70,927.91

Finding the Fourth Proportional to 127,516.53, 175,972.34 and 70,927.91

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Solution

The fourth proportional to 127,516.53, 175,972.34 and 70,927.91 is: 97,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,516.53 : 175,972.34 = 70,927.91 : x
  2. Step 2: Convert to fraction form
    127,516.53/175,972.34 = 70,927.91/x
  3. Step 3: Cross multiply
    127,516.53x = 175,972.34 × 70,927.91
  4. Step 4: Simplify right side
    127,516.53x = 12,481,349,059.51
  5. Step 5: Solve for x
    x = 12,481,349,059.51/127,516.53
  6. Step 6: Final answer
    x = 97,880.24

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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.