Home / 96,741.12-133,547.80-64,529.35

Finding the Fourth Proportional to 96,741.12, 133,547.80 and 64,529.35

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Solution

The fourth proportional to 96,741.12, 133,547.80 and 64,529.35 is: 89,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,741.12 : 133,547.80 = 64,529.35 : x
  2. Step 2: Convert to fraction form
    96,741.12/133,547.80 = 64,529.35/x
  3. Step 3: Cross multiply
    96,741.12x = 133,547.80 × 64,529.35
  4. Step 4: Simplify right side
    96,741.12x = 8,617,752,727.93
  5. Step 5: Solve for x
    x = 8,617,752,727.93/96,741.12
  6. Step 6: Final answer
    x = 89,080.56

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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.