Home / 103,376.85-142,642.99-60,943.58

Finding the Fourth Proportional to 103,376.85, 142,642.99 and 60,943.58

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Solution

The fourth proportional to 103,376.85, 142,642.99 and 60,943.58 is: 84,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,376.85 : 142,642.99 = 60,943.58 : x
  2. Step 2: Convert to fraction form
    103,376.85/142,642.99 = 60,943.58/x
  3. Step 3: Cross multiply
    103,376.85x = 142,642.99 × 60,943.58
  4. Step 4: Simplify right side
    103,376.85x = 8,693,174,472.50
  5. Step 5: Solve for x
    x = 8,693,174,472.50/103,376.85
  6. Step 6: Final answer
    x = 84,092.08

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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.