Home / 92,271.72-126,504.50-90,590.21

Finding the Fourth Proportional to 92,271.72, 126,504.50 and 90,590.21

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Solution

The fourth proportional to 92,271.72, 126,504.50 and 90,590.21 is: 124,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,271.72 : 126,504.50 = 90,590.21 : x
  2. Step 2: Convert to fraction form
    92,271.72/126,504.50 = 90,590.21/x
  3. Step 3: Cross multiply
    92,271.72x = 126,504.50 × 90,590.21
  4. Step 4: Simplify right side
    92,271.72x = 11,460,069,831.02
  5. Step 5: Solve for x
    x = 11,460,069,831.02/92,271.72
  6. Step 6: Final answer
    x = 124,199.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.