Home / 127,762.02-191,643.03-57,661.38

Finding the Fourth Proportional to 127,762.02, 191,643.03 and 57,661.38

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Solution

The fourth proportional to 127,762.02, 191,643.03 and 57,661.38 is: 86,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,762.02 : 191,643.03 = 57,661.38 : x
  2. Step 2: Convert to fraction form
    127,762.02/191,643.03 = 57,661.38/x
  3. Step 3: Cross multiply
    127,762.02x = 191,643.03 × 57,661.38
  4. Step 4: Simplify right side
    127,762.02x = 11,050,401,577.18
  5. Step 5: Solve for x
    x = 11,050,401,577.18/127,762.02
  6. Step 6: Final answer
    x = 86,492.07

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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.