Home / 118,048.04-162,901.54-64,331.91

Finding the Fourth Proportional to 118,048.04, 162,901.54 and 64,331.91

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Solution

The fourth proportional to 118,048.04, 162,901.54 and 64,331.91 is: 88,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,048.04 : 162,901.54 = 64,331.91 : x
  2. Step 2: Convert to fraction form
    118,048.04/162,901.54 = 64,331.91/x
  3. Step 3: Cross multiply
    118,048.04x = 162,901.54 × 64,331.91
  4. Step 4: Simplify right side
    118,048.04x = 10,479,767,210.14
  5. Step 5: Solve for x
    x = 10,479,767,210.14/118,048.04
  6. Step 6: Final answer
    x = 88,775.44

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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.