Home / 108,547.38-149,800.68-60,800.58

Finding the Fourth Proportional to 108,547.38, 149,800.68 and 60,800.58

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Solution

The fourth proportional to 108,547.38, 149,800.68 and 60,800.58 is: 83,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,547.38 : 149,800.68 = 60,800.58 : x
  2. Step 2: Convert to fraction form
    108,547.38/149,800.68 = 60,800.58/x
  3. Step 3: Cross multiply
    108,547.38x = 149,800.68 × 60,800.58
  4. Step 4: Simplify right side
    108,547.38x = 9,107,968,228.39
  5. Step 5: Solve for x
    x = 9,107,968,228.39/108,547.38
  6. Step 6: Final answer
    x = 83,907.77

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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.