Home / 91,117.17-125,743.59-50,832.63

Finding the Fourth Proportional to 91,117.17, 125,743.59 and 50,832.63

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Solution

The fourth proportional to 91,117.17, 125,743.59 and 50,832.63 is: 70,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,117.17 : 125,743.59 = 50,832.63 : x
  2. Step 2: Convert to fraction form
    91,117.17/125,743.59 = 50,832.63/x
  3. Step 3: Cross multiply
    91,117.17x = 125,743.59 × 50,832.63
  4. Step 4: Simplify right side
    91,117.17x = 6,391,877,385.34
  5. Step 5: Solve for x
    x = 6,391,877,385.34/91,117.17
  6. Step 6: Final answer
    x = 70,150.09

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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.