Home / 112,652.64-155,499.50-64,925.04

Finding the Fourth Proportional to 112,652.64, 155,499.50 and 64,925.04

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Solution

The fourth proportional to 112,652.64, 155,499.50 and 64,925.04 is: 89,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,652.64 : 155,499.50 = 64,925.04 : x
  2. Step 2: Convert to fraction form
    112,652.64/155,499.50 = 64,925.04/x
  3. Step 3: Cross multiply
    112,652.64x = 155,499.50 × 64,925.04
  4. Step 4: Simplify right side
    112,652.64x = 10,095,811,257.48
  5. Step 5: Solve for x
    x = 10,095,811,257.48/112,652.64
  6. Step 6: Final answer
    x = 89,618.95

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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.