Home / 91,829.34-126,714.74-51,547.53

Finding the Fourth Proportional to 91,829.34, 126,714.74 and 51,547.53

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Solution

The fourth proportional to 91,829.34, 126,714.74 and 51,547.53 is: 71,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,829.34 : 126,714.74 = 51,547.53 : x
  2. Step 2: Convert to fraction form
    91,829.34/126,714.74 = 51,547.53/x
  3. Step 3: Cross multiply
    91,829.34x = 126,714.74 × 51,547.53
  4. Step 4: Simplify right side
    91,829.34x = 6,531,831,861.59
  5. Step 5: Solve for x
    x = 6,531,831,861.59/91,829.34
  6. Step 6: Final answer
    x = 71,130.12

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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.