Home / 109,466.15-151,060.19-61,069.50

Finding the Fourth Proportional to 109,466.15, 151,060.19 and 61,069.50

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Solution

The fourth proportional to 109,466.15, 151,060.19 and 61,069.50 is: 84,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,466.15 : 151,060.19 = 61,069.50 : x
  2. Step 2: Convert to fraction form
    109,466.15/151,060.19 = 61,069.50/x
  3. Step 3: Cross multiply
    109,466.15x = 151,060.19 × 61,069.50
  4. Step 4: Simplify right side
    109,466.15x = 9,225,169,967.86
  5. Step 5: Solve for x
    x = 9,225,169,967.86/109,466.15
  6. Step 6: Final answer
    x = 84,274.18

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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.