Home / 91,220.32-125,886.18-50,932.72

Finding the Fourth Proportional to 91,220.32, 125,886.18 and 50,932.72

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Solution

The fourth proportional to 91,220.32, 125,886.18 and 50,932.72 is: 70,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,220.32 : 125,886.18 = 50,932.72 : x
  2. Step 2: Convert to fraction form
    91,220.32/125,886.18 = 50,932.72/x
  3. Step 3: Cross multiply
    91,220.32x = 125,886.18 × 50,932.72
  4. Step 4: Simplify right side
    91,220.32x = 6,411,725,557.81
  5. Step 5: Solve for x
    x = 6,411,725,557.81/91,220.32
  6. Step 6: Final answer
    x = 70,288.35

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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.