Home / 99,053.28-148,567.80-42,150.04

Finding the Fourth Proportional to 99,053.28, 148,567.80 and 42,150.04

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Solution

The fourth proportional to 99,053.28, 148,567.80 and 42,150.04 is: 63,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,053.28 : 148,567.80 = 42,150.04 : x
  2. Step 2: Convert to fraction form
    99,053.28/148,567.80 = 42,150.04/x
  3. Step 3: Cross multiply
    99,053.28x = 148,567.80 × 42,150.04
  4. Step 4: Simplify right side
    99,053.28x = 6,262,139,239.01
  5. Step 5: Solve for x
    x = 6,262,139,239.01/99,053.28
  6. Step 6: Final answer
    x = 63,219.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.