Home / 118,875.11-164,064.47-73,567.70

Finding the Fourth Proportional to 118,875.11, 164,064.47 and 73,567.70

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Solution

The fourth proportional to 118,875.11, 164,064.47 and 73,567.70 is: 101,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,875.11 : 164,064.47 = 73,567.70 : x
  2. Step 2: Convert to fraction form
    118,875.11/164,064.47 = 73,567.70/x
  3. Step 3: Cross multiply
    118,875.11x = 164,064.47 × 73,567.70
  4. Step 4: Simplify right side
    118,875.11x = 12,069,844,521.46
  5. Step 5: Solve for x
    x = 12,069,844,521.46/118,875.11
  6. Step 6: Final answer
    x = 101,533.83

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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.