Home / 98,091.61-135,407.10-66,303.57

Finding the Fourth Proportional to 98,091.61, 135,407.10 and 66,303.57

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Solution

The fourth proportional to 98,091.61, 135,407.10 and 66,303.57 is: 91,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,091.61 : 135,407.10 = 66,303.57 : x
  2. Step 2: Convert to fraction form
    98,091.61/135,407.10 = 66,303.57/x
  3. Step 3: Cross multiply
    98,091.61x = 135,407.10 × 66,303.57
  4. Step 4: Simplify right side
    98,091.61x = 8,977,974,133.35
  5. Step 5: Solve for x
    x = 8,977,974,133.35/98,091.61
  6. Step 6: Final answer
    x = 91,526.42

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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.