Home / 106,711.16-147,281.76-70,348.77

Finding the Fourth Proportional to 106,711.16, 147,281.76 and 70,348.77

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Solution

The fourth proportional to 106,711.16, 147,281.76 and 70,348.77 is: 97,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,711.16 : 147,281.76 = 70,348.77 : x
  2. Step 2: Convert to fraction form
    106,711.16/147,281.76 = 70,348.77/x
  3. Step 3: Cross multiply
    106,711.16x = 147,281.76 × 70,348.77
  4. Step 4: Simplify right side
    106,711.16x = 10,361,090,659.44
  5. Step 5: Solve for x
    x = 10,361,090,659.44/106,711.16
  6. Step 6: Final answer
    x = 97,094.73

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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.