Home / 114,828.84-172,248.12-70,427.88

Finding the Fourth Proportional to 114,828.84, 172,248.12 and 70,427.88

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Solution

The fourth proportional to 114,828.84, 172,248.12 and 70,427.88 is: 105,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,828.84 : 172,248.12 = 70,427.88 : x
  2. Step 2: Convert to fraction form
    114,828.84/172,248.12 = 70,427.88/x
  3. Step 3: Cross multiply
    114,828.84x = 172,248.12 × 70,427.88
  4. Step 4: Simplify right side
    114,828.84x = 12,131,069,925.59
  5. Step 5: Solve for x
    x = 12,131,069,925.59/114,828.84
  6. Step 6: Final answer
    x = 105,644.80

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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.