Home / 105,038.14-144,975.10-62,001.62

Finding the Fourth Proportional to 105,038.14, 144,975.10 and 62,001.62

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Solution

The fourth proportional to 105,038.14, 144,975.10 and 62,001.62 is: 85,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,038.14 : 144,975.10 = 62,001.62 : x
  2. Step 2: Convert to fraction form
    105,038.14/144,975.10 = 62,001.62/x
  3. Step 3: Cross multiply
    105,038.14x = 144,975.10 × 62,001.62
  4. Step 4: Simplify right side
    105,038.14x = 8,988,691,059.66
  5. Step 5: Solve for x
    x = 8,988,691,059.66/105,038.14
  6. Step 6: Final answer
    x = 85,575.50

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1.5x scale

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.