Home / 91,569.79-126,360.29-51,274.32

Finding the Fourth Proportional to 91,569.79, 126,360.29 and 51,274.32

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Solution

The fourth proportional to 91,569.79, 126,360.29 and 51,274.32 is: 70,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,569.79 : 126,360.29 = 51,274.32 : x
  2. Step 2: Convert to fraction form
    91,569.79/126,360.29 = 51,274.32/x
  3. Step 3: Cross multiply
    91,569.79x = 126,360.29 × 51,274.32
  4. Step 4: Simplify right side
    91,569.79x = 6,479,037,312.95
  5. Step 5: Solve for x
    x = 6,479,037,312.95/91,569.79
  6. Step 6: Final answer
    x = 70,755.18

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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.