Home / 105,001.50-157,452.98-38,395.05

Finding the Fourth Proportional to 105,001.50, 157,452.98 and 38,395.05

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Solution

The fourth proportional to 105,001.50, 157,452.98 and 38,395.05 is: 57,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,001.50 : 157,452.98 = 38,395.05 : x
  2. Step 2: Convert to fraction form
    105,001.50/157,452.98 = 38,395.05/x
  3. Step 3: Cross multiply
    105,001.50x = 157,452.98 × 38,395.05
  4. Step 4: Simplify right side
    105,001.50x = 6,045,415,039.75
  5. Step 5: Solve for x
    x = 6,045,415,039.75/105,001.50
  6. Step 6: Final answer
    x = 57,574.56

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1.5x scale

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.