Home / 114,870.95-172,247.18-51,637.02

Finding the Fourth Proportional to 114,870.95, 172,247.18 and 51,637.02

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Solution

The fourth proportional to 114,870.95, 172,247.18 and 51,637.02 is: 77,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,870.95 : 172,247.18 = 51,637.02 : x
  2. Step 2: Convert to fraction form
    114,870.95/172,247.18 = 51,637.02/x
  3. Step 3: Cross multiply
    114,870.95x = 172,247.18 × 51,637.02
  4. Step 4: Simplify right side
    114,870.95x = 8,894,330,820.42
  5. Step 5: Solve for x
    x = 8,894,330,820.42/114,870.95
  6. Step 6: Final answer
    x = 77,428.90

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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.