Home / 108,070.04-149,168.32-62,768.38

Finding the Fourth Proportional to 108,070.04, 149,168.32 and 62,768.38

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Solution

The fourth proportional to 108,070.04, 149,168.32 and 62,768.38 is: 86,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,070.04 : 149,168.32 = 62,768.38 : x
  2. Step 2: Convert to fraction form
    108,070.04/149,168.32 = 62,768.38/x
  3. Step 3: Cross multiply
    108,070.04x = 149,168.32 × 62,768.38
  4. Step 4: Simplify right side
    108,070.04x = 9,363,054,018.14
  5. Step 5: Solve for x
    x = 9,363,054,018.14/108,070.04
  6. Step 6: Final answer
    x = 86,638.76

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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.