Home / 70,068.43-96,696.57-39,858.13

Finding the Fourth Proportional to 70,068.43, 96,696.57 and 39,858.13

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Solution

The fourth proportional to 70,068.43, 96,696.57 and 39,858.13 is: 55,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,068.43 : 96,696.57 = 39,858.13 : x
  2. Step 2: Convert to fraction form
    70,068.43/96,696.57 = 39,858.13/x
  3. Step 3: Cross multiply
    70,068.43x = 96,696.57 × 39,858.13
  4. Step 4: Simplify right side
    70,068.43x = 3,854,144,457.61
  5. Step 5: Solve for x
    x = 3,854,144,457.61/70,068.43
  6. Step 6: Final answer
    x = 55,005.43

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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.