Home / 115,165.24-172,840.02-59,777.08

Finding the Fourth Proportional to 115,165.24, 172,840.02 and 59,777.08

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Solution

The fourth proportional to 115,165.24, 172,840.02 and 59,777.08 is: 89,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,165.24 : 172,840.02 = 59,777.08 : x
  2. Step 2: Convert to fraction form
    115,165.24/172,840.02 = 59,777.08/x
  3. Step 3: Cross multiply
    115,165.24x = 172,840.02 × 59,777.08
  4. Step 4: Simplify right side
    115,165.24x = 10,331,871,702.74
  5. Step 5: Solve for x
    x = 10,331,871,702.74/115,165.24
  6. Step 6: Final answer
    x = 89,713.46

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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.