Home / 83,696.06-115,501.05-45,457.07

Finding the Fourth Proportional to 83,696.06, 115,501.05 and 45,457.07

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Solution

The fourth proportional to 83,696.06, 115,501.05 and 45,457.07 is: 62,731.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,696.06 : 115,501.05 = 45,457.07 : x
  2. Step 2: Convert to fraction form
    83,696.06/115,501.05 = 45,457.07/x
  3. Step 3: Cross multiply
    83,696.06x = 115,501.05 × 45,457.07
  4. Step 4: Simplify right side
    83,696.06x = 5,250,338,737.42
  5. Step 5: Solve for x
    x = 5,250,338,737.42/83,696.06
  6. Step 6: Final answer
    x = 62,731.01

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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.