Home / 90,106.10-124,343.27-49,271.18

Finding the Fourth Proportional to 90,106.10, 124,343.27 and 49,271.18

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Solution

The fourth proportional to 90,106.10, 124,343.27 and 49,271.18 is: 67,992.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,106.10 : 124,343.27 = 49,271.18 : x
  2. Step 2: Convert to fraction form
    90,106.10/124,343.27 = 49,271.18/x
  3. Step 3: Cross multiply
    90,106.10x = 124,343.27 × 49,271.18
  4. Step 4: Simplify right side
    90,106.10x = 6,126,539,637.96
  5. Step 5: Solve for x
    x = 6,126,539,637.96/90,106.10
  6. Step 6: Final answer
    x = 67,992.51

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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.