Home / 90,335.42-124,706.21-63,500.93

Finding the Fourth Proportional to 90,335.42, 124,706.21 and 63,500.93

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Solution

The fourth proportional to 90,335.42, 124,706.21 and 63,500.93 is: 87,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,335.42 : 124,706.21 = 63,500.93 : x
  2. Step 2: Convert to fraction form
    90,335.42/124,706.21 = 63,500.93/x
  3. Step 3: Cross multiply
    90,335.42x = 124,706.21 × 63,500.93
  4. Step 4: Simplify right side
    90,335.42x = 7,918,960,311.78
  5. Step 5: Solve for x
    x = 7,918,960,311.78/90,335.42
  6. Step 6: Final answer
    x = 87,661.74

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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.