Home / 91,547.78-126,321.32-51,263.24

Finding the Fourth Proportional to 91,547.78, 126,321.32 and 51,263.24

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Solution

The fourth proportional to 91,547.78, 126,321.32 and 51,263.24 is: 70,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,547.78 : 126,321.32 = 51,263.24 : x
  2. Step 2: Convert to fraction form
    91,547.78/126,321.32 = 51,263.24/x
  3. Step 3: Cross multiply
    91,547.78x = 126,321.32 × 51,263.24
  4. Step 4: Simplify right side
    91,547.78x = 6,475,639,256.35
  5. Step 5: Solve for x
    x = 6,475,639,256.35/91,547.78
  6. Step 6: Final answer
    x = 70,735.08

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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.