Home / 74,041.65-102,071.19-52,784.01

Finding the Fourth Proportional to 74,041.65, 102,071.19 and 52,784.01

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Solution

The fourth proportional to 74,041.65, 102,071.19 and 52,784.01 is: 72,766.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,041.65 : 102,071.19 = 52,784.01 : x
  2. Step 2: Convert to fraction form
    74,041.65/102,071.19 = 52,784.01/x
  3. Step 3: Cross multiply
    74,041.65x = 102,071.19 × 52,784.01
  4. Step 4: Simplify right side
    74,041.65x = 5,387,726,071.36
  5. Step 5: Solve for x
    x = 5,387,726,071.36/74,041.65
  6. Step 6: Final answer
    x = 72,766.16

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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.