Home / 96,429.64-133,071.60-53,988.16

Finding the Fourth Proportional to 96,429.64, 133,071.60 and 53,988.16

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Solution

The fourth proportional to 96,429.64, 133,071.60 and 53,988.16 is: 74,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,429.64 : 133,071.60 = 53,988.16 : x
  2. Step 2: Convert to fraction form
    96,429.64/133,071.60 = 53,988.16/x
  3. Step 3: Cross multiply
    96,429.64x = 133,071.60 × 53,988.16
  4. Step 4: Simplify right side
    96,429.64x = 7,184,290,832.26
  5. Step 5: Solve for x
    x = 7,184,290,832.26/96,429.64
  6. Step 6: Final answer
    x = 74,502.93

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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.