Home / 78,312.33-108,030.18-48,104.46

Finding the Fourth Proportional to 78,312.33, 108,030.18 and 48,104.46

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Solution

The fourth proportional to 78,312.33, 108,030.18 and 48,104.46 is: 66,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,312.33 : 108,030.18 = 48,104.46 : x
  2. Step 2: Convert to fraction form
    78,312.33/108,030.18 = 48,104.46/x
  3. Step 3: Cross multiply
    78,312.33x = 108,030.18 × 48,104.46
  4. Step 4: Simplify right side
    78,312.33x = 5,196,733,472.60
  5. Step 5: Solve for x
    x = 5,196,733,472.60/78,312.33
  6. Step 6: Final answer
    x = 66,359.07

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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.