Home / 91,798.68-126,714.06-54,070.50

Finding the Fourth Proportional to 91,798.68, 126,714.06 and 54,070.50

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Solution

The fourth proportional to 91,798.68, 126,714.06 and 54,070.50 is: 74,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,798.68 : 126,714.06 = 54,070.50 : x
  2. Step 2: Convert to fraction form
    91,798.68/126,714.06 = 54,070.50/x
  3. Step 3: Cross multiply
    91,798.68x = 126,714.06 × 54,070.50
  4. Step 4: Simplify right side
    91,798.68x = 6,851,492,581.23
  5. Step 5: Solve for x
    x = 6,851,492,581.23/91,798.68
  6. Step 6: Final answer
    x = 74,636.07

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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.