Home / 105,029.40-157,567.60-38,468.20

Finding the Fourth Proportional to 105,029.40, 157,567.60 and 38,468.20

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Solution

The fourth proportional to 105,029.40, 157,567.60 and 38,468.20 is: 57,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,029.40 : 157,567.60 = 38,468.20 : x
  2. Step 2: Convert to fraction form
    105,029.40/157,567.60 = 38,468.20/x
  3. Step 3: Cross multiply
    105,029.40x = 157,567.60 × 38,468.20
  4. Step 4: Simplify right side
    105,029.40x = 6,061,341,950.32
  5. Step 5: Solve for x
    x = 6,061,341,950.32/105,029.40
  6. Step 6: Final answer
    x = 57,710.91

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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.