Home / 84,347.29-126,547.76-52,777.45

Finding the Fourth Proportional to 84,347.29, 126,547.76 and 52,777.45

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Solution

The fourth proportional to 84,347.29, 126,547.76 and 52,777.45 is: 79,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,347.29 : 126,547.76 = 52,777.45 : x
  2. Step 2: Convert to fraction form
    84,347.29/126,547.76 = 52,777.45/x
  3. Step 3: Cross multiply
    84,347.29x = 126,547.76 × 52,777.45
  4. Step 4: Simplify right side
    84,347.29x = 6,678,868,076.01
  5. Step 5: Solve for x
    x = 6,678,868,076.01/84,347.29
  6. Step 6: Final answer
    x = 79,182.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.