Home / 84,739.17-127,108.91-34,784.45

Finding the Fourth Proportional to 84,739.17, 127,108.91 and 34,784.45

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Solution

The fourth proportional to 84,739.17, 127,108.91 and 34,784.45 is: 52,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,739.17 : 127,108.91 = 34,784.45 : x
  2. Step 2: Convert to fraction form
    84,739.17/127,108.91 = 34,784.45/x
  3. Step 3: Cross multiply
    84,739.17x = 127,108.91 × 34,784.45
  4. Step 4: Simplify right side
    84,739.17x = 4,421,413,524.45
  5. Step 5: Solve for x
    x = 4,421,413,524.45/84,739.17
  6. Step 6: Final answer
    x = 52,176.74

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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.