Home / 118,047.04-162,900.16-64,330.90

Finding the Fourth Proportional to 118,047.04, 162,900.16 and 64,330.90

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Solution

The fourth proportional to 118,047.04, 162,900.16 and 64,330.90 is: 88,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,047.04 : 162,900.16 = 64,330.90 : x
  2. Step 2: Convert to fraction form
    118,047.04/162,900.16 = 64,330.90/x
  3. Step 3: Cross multiply
    118,047.04x = 162,900.16 × 64,330.90
  4. Step 4: Simplify right side
    118,047.04x = 10,479,513,902.94
  5. Step 5: Solve for x
    x = 10,479,513,902.94/118,047.04
  6. Step 6: Final answer
    x = 88,774.05

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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.