Home / 105,701.36-145,861.90-60,376.66

Finding the Fourth Proportional to 105,701.36, 145,861.90 and 60,376.66

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Solution

The fourth proportional to 105,701.36, 145,861.90 and 60,376.66 is: 83,316.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,701.36 : 145,861.90 = 60,376.66 : x
  2. Step 2: Convert to fraction form
    105,701.36/145,861.90 = 60,376.66/x
  3. Step 3: Cross multiply
    105,701.36x = 145,861.90 × 60,376.66
  4. Step 4: Simplify right side
    105,701.36x = 8,806,653,827.66
  5. Step 5: Solve for x
    x = 8,806,653,827.66/105,701.36
  6. Step 6: Final answer
    x = 83,316.38

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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.