Home / 91,444.04-137,156.28-29,109.68

Finding the Fourth Proportional to 91,444.04, 137,156.28 and 29,109.68

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Solution

The fourth proportional to 91,444.04, 137,156.28 and 29,109.68 is: 43,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,444.04 : 137,156.28 = 29,109.68 : x
  2. Step 2: Convert to fraction form
    91,444.04/137,156.28 = 29,109.68/x
  3. Step 3: Cross multiply
    91,444.04x = 137,156.28 × 29,109.68
  4. Step 4: Simplify right side
    91,444.04x = 3,992,575,420.79
  5. Step 5: Solve for x
    x = 3,992,575,420.79/91,444.04
  6. Step 6: Final answer
    x = 43,661.41

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1.5x scale

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.