Home / 98,219.18-135,506.93-64,247.04

Finding the Fourth Proportional to 98,219.18, 135,506.93 and 64,247.04

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Solution

The fourth proportional to 98,219.18, 135,506.93 and 64,247.04 is: 88,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,219.18 : 135,506.93 = 64,247.04 : x
  2. Step 2: Convert to fraction form
    98,219.18/135,506.93 = 64,247.04/x
  3. Step 3: Cross multiply
    98,219.18x = 135,506.93 × 64,247.04
  4. Step 4: Simplify right side
    98,219.18x = 8,705,918,830.75
  5. Step 5: Solve for x
    x = 8,705,918,830.75/98,219.18
  6. Step 6: Final answer
    x = 88,637.66

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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.