Home / 97,439.12-134,486.76-61,606.16

Finding the Fourth Proportional to 97,439.12, 134,486.76 and 61,606.16

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Solution

The fourth proportional to 97,439.12, 134,486.76 and 61,606.16 is: 85,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,439.12 : 134,486.76 = 61,606.16 : x
  2. Step 2: Convert to fraction form
    97,439.12/134,486.76 = 61,606.16/x
  3. Step 3: Cross multiply
    97,439.12x = 134,486.76 × 61,606.16
  4. Step 4: Simplify right side
    97,439.12x = 8,285,212,854.44
  5. Step 5: Solve for x
    x = 8,285,212,854.44/97,439.12
  6. Step 6: Final answer
    x = 85,029.64

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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.