Home / 112,071.52-154,659.36-64,323.64

Finding the Fourth Proportional to 112,071.52, 154,659.36 and 64,323.64

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Solution

The fourth proportional to 112,071.52, 154,659.36 and 64,323.64 is: 88,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,071.52 : 154,659.36 = 64,323.64 : x
  2. Step 2: Convert to fraction form
    112,071.52/154,659.36 = 64,323.64/x
  3. Step 3: Cross multiply
    112,071.52x = 154,659.36 × 64,323.64
  4. Step 4: Simplify right side
    112,071.52x = 9,948,252,995.27
  5. Step 5: Solve for x
    x = 9,948,252,995.27/112,071.52
  6. Step 6: Final answer
    x = 88,767.00

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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.