Home / 90,056.76-124,274.70-52,328.04

Finding the Fourth Proportional to 90,056.76, 124,274.70 and 52,328.04

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Solution

The fourth proportional to 90,056.76, 124,274.70 and 52,328.04 is: 72,210.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,056.76 : 124,274.70 = 52,328.04 : x
  2. Step 2: Convert to fraction form
    90,056.76/124,274.70 = 52,328.04/x
  3. Step 3: Cross multiply
    90,056.76x = 124,274.70 × 52,328.04
  4. Step 4: Simplify right side
    90,056.76x = 6,503,051,472.59
  5. Step 5: Solve for x
    x = 6,503,051,472.59/90,056.76
  6. Step 6: Final answer
    x = 72,210.59

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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.