Home / 127,795.64-191,747.80-52,970.16

Finding the Fourth Proportional to 127,795.64, 191,747.80 and 52,970.16

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Solution

The fourth proportional to 127,795.64, 191,747.80 and 52,970.16 is: 79,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,795.64 : 191,747.80 = 52,970.16 : x
  2. Step 2: Convert to fraction form
    127,795.64/191,747.80 = 52,970.16/x
  3. Step 3: Cross multiply
    127,795.64x = 191,747.80 × 52,970.16
  4. Step 4: Simplify right side
    127,795.64x = 10,156,911,645.65
  5. Step 5: Solve for x
    x = 10,156,911,645.65/127,795.64
  6. Step 6: Final answer
    x = 79,477.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.