Home / 88,001.64-121,448.70-50,275.08

Finding the Fourth Proportional to 88,001.64, 121,448.70 and 50,275.08

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Solution

The fourth proportional to 88,001.64, 121,448.70 and 50,275.08 is: 69,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001.64 : 121,448.70 = 50,275.08 : x
  2. Step 2: Convert to fraction form
    88,001.64/121,448.70 = 50,275.08/x
  3. Step 3: Cross multiply
    88,001.64x = 121,448.70 × 50,275.08
  4. Step 4: Simplify right side
    88,001.64x = 6,105,843,108.40
  5. Step 5: Solve for x
    x = 6,105,843,108.40/88,001.64
  6. Step 6: Final answer
    x = 69,383.29

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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.