Home / 97,462.32-134,455.14-57,155.64

Finding the Fourth Proportional to 97,462.32, 134,455.14 and 57,155.64

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Solution

The fourth proportional to 97,462.32, 134,455.14 and 57,155.64 is: 78,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,462.32 : 134,455.14 = 57,155.64 : x
  2. Step 2: Convert to fraction form
    97,462.32/134,455.14 = 57,155.64/x
  3. Step 3: Cross multiply
    97,462.32x = 134,455.14 × 57,155.64
  4. Step 4: Simplify right side
    97,462.32x = 7,684,869,577.99
  5. Step 5: Solve for x
    x = 7,684,869,577.99/97,462.32
  6. Step 6: Final answer
    x = 78,849.65

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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.