Home / 53,681.28-74,082.02-29,808.35

Finding the Fourth Proportional to 53,681.28, 74,082.02 and 29,808.35

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Solution

The fourth proportional to 53,681.28, 74,082.02 and 29,808.35 is: 41,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.28 : 74,082.02 = 29,808.35 : x
  2. Step 2: Convert to fraction form
    53,681.28/74,082.02 = 29,808.35/x
  3. Step 3: Cross multiply
    53,681.28x = 74,082.02 × 29,808.35
  4. Step 4: Simplify right side
    53,681.28x = 2,208,262,780.87
  5. Step 5: Solve for x
    x = 2,208,262,780.87/53,681.28
  6. Step 6: Final answer
    x = 41,136.55

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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.