Home / 114,946.08-172,422.02-31,840.80

Finding the Fourth Proportional to 114,946.08, 172,422.02 and 31,840.80

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Solution

The fourth proportional to 114,946.08, 172,422.02 and 31,840.80 is: 47,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,946.08 : 172,422.02 = 31,840.80 : x
  2. Step 2: Convert to fraction form
    114,946.08/172,422.02 = 31,840.80/x
  3. Step 3: Cross multiply
    114,946.08x = 172,422.02 × 31,840.80
  4. Step 4: Simplify right side
    114,946.08x = 5,490,055,054.42
  5. Step 5: Solve for x
    x = 5,490,055,054.42/114,946.08
  6. Step 6: Final answer
    x = 47,762.00

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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.