Home / 127,723.02-191,607.72-52,802.47

Finding the Fourth Proportional to 127,723.02, 191,607.72 and 52,802.47

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Solution

The fourth proportional to 127,723.02, 191,607.72 and 52,802.47 is: 79,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,723.02 : 191,607.72 = 52,802.47 : x
  2. Step 2: Convert to fraction form
    127,723.02/191,607.72 = 52,802.47/x
  3. Step 3: Cross multiply
    127,723.02x = 191,607.72 × 52,802.47
  4. Step 4: Simplify right side
    127,723.02x = 10,117,360,887.07
  5. Step 5: Solve for x
    x = 10,117,360,887.07/127,723.02
  6. Step 6: Final answer
    x = 79,213.29

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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.