Home / 76,937.40-106,173.18-42,943.92

Finding the Fourth Proportional to 76,937.40, 106,173.18 and 42,943.92

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Solution

The fourth proportional to 76,937.40, 106,173.18 and 42,943.92 is: 59,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,937.40 : 106,173.18 = 42,943.92 : x
  2. Step 2: Convert to fraction form
    76,937.40/106,173.18 = 42,943.92/x
  3. Step 3: Cross multiply
    76,937.40x = 106,173.18 × 42,943.92
  4. Step 4: Simplify right side
    76,937.40x = 4,559,492,548.07
  5. Step 5: Solve for x
    x = 4,559,492,548.07/76,937.40
  6. Step 6: Final answer
    x = 59,262.37

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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.