Home / 74,001.47-102,119.95-40,466.75

Finding the Fourth Proportional to 74,001.47, 102,119.95 and 40,466.75

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Solution

The fourth proportional to 74,001.47, 102,119.95 and 40,466.75 is: 55,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,001.47 : 102,119.95 = 40,466.75 : x
  2. Step 2: Convert to fraction form
    74,001.47/102,119.95 = 40,466.75/x
  3. Step 3: Cross multiply
    74,001.47x = 102,119.95 × 40,466.75
  4. Step 4: Simplify right side
    74,001.47x = 4,132,462,486.66
  5. Step 5: Solve for x
    x = 4,132,462,486.66/74,001.47
  6. Step 6: Final answer
    x = 55,842.98

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1.5x scale

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.