Home / 88,001.59-121,439.91-50,275.84

Finding the Fourth Proportional to 88,001.59, 121,439.91 and 50,275.84

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Solution

The fourth proportional to 88,001.59, 121,439.91 and 50,275.84 is: 69,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,001.59 : 121,439.91 = 50,275.84 : x
  2. Step 2: Convert to fraction form
    88,001.59/121,439.91 = 50,275.84/x
  3. Step 3: Cross multiply
    88,001.59x = 121,439.91 × 50,275.84
  4. Step 4: Simplify right side
    88,001.59x = 6,105,493,484.77
  5. Step 5: Solve for x
    x = 6,105,493,484.77/88,001.59
  6. Step 6: Final answer
    x = 69,379.35

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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.