Home / 88,288.92-121,838.30-52,011.45

Finding the Fourth Proportional to 88,288.92, 121,838.30 and 52,011.45

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Solution

The fourth proportional to 88,288.92, 121,838.30 and 52,011.45 is: 71,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,288.92 : 121,838.30 = 52,011.45 : x
  2. Step 2: Convert to fraction form
    88,288.92/121,838.30 = 52,011.45/x
  3. Step 3: Cross multiply
    88,288.92x = 121,838.30 × 52,011.45
  4. Step 4: Simplify right side
    88,288.92x = 6,336,985,779.29
  5. Step 5: Solve for x
    x = 6,336,985,779.29/88,288.92
  6. Step 6: Final answer
    x = 71,775.55

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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.