Home / 98,626.01-136,110.78-56,184.50

Finding the Fourth Proportional to 98,626.01, 136,110.78 and 56,184.50

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Solution

The fourth proportional to 98,626.01, 136,110.78 and 56,184.50 is: 77,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,626.01 : 136,110.78 = 56,184.50 : x
  2. Step 2: Convert to fraction form
    98,626.01/136,110.78 = 56,184.50/x
  3. Step 3: Cross multiply
    98,626.01x = 136,110.78 × 56,184.50
  4. Step 4: Simplify right side
    98,626.01x = 7,647,316,459.19
  5. Step 5: Solve for x
    x = 7,647,316,459.19/98,626.01
  6. Step 6: Final answer
    x = 77,538.54

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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.