Home / 96,428.46-133,071.18-53,987.02

Finding the Fourth Proportional to 96,428.46, 133,071.18 and 53,987.02

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Solution

The fourth proportional to 96,428.46, 133,071.18 and 53,987.02 is: 74,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,428.46 : 133,071.18 = 53,987.02 : x
  2. Step 2: Convert to fraction form
    96,428.46/133,071.18 = 53,987.02/x
  3. Step 3: Cross multiply
    96,428.46x = 133,071.18 × 53,987.02
  4. Step 4: Simplify right side
    96,428.46x = 7,184,116,456.08
  5. Step 5: Solve for x
    x = 7,184,116,456.08/96,428.46
  6. Step 6: Final answer
    x = 74,502.03

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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.