Home / 105,052.18-144,971.08-57,304.50

Finding the Fourth Proportional to 105,052.18, 144,971.08 and 57,304.50

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Solution

The fourth proportional to 105,052.18, 144,971.08 and 57,304.50 is: 79,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,052.18 : 144,971.08 = 57,304.50 : x
  2. Step 2: Convert to fraction form
    105,052.18/144,971.08 = 57,304.50/x
  3. Step 3: Cross multiply
    105,052.18x = 144,971.08 × 57,304.50
  4. Step 4: Simplify right side
    105,052.18x = 8,307,495,253.86
  5. Step 5: Solve for x
    x = 8,307,495,253.86/105,052.18
  6. Step 6: Final answer
    x = 79,079.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.