Home / 97,062.79-133,946.38-54,621.32

Finding the Fourth Proportional to 97,062.79, 133,946.38 and 54,621.32

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Solution

The fourth proportional to 97,062.79, 133,946.38 and 54,621.32 is: 75,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,062.79 : 133,946.38 = 54,621.32 : x
  2. Step 2: Convert to fraction form
    97,062.79/133,946.38 = 54,621.32/x
  3. Step 3: Cross multiply
    97,062.79x = 133,946.38 × 54,621.32
  4. Step 4: Simplify right side
    97,062.79x = 7,316,328,536.73
  5. Step 5: Solve for x
    x = 7,316,328,536.73/97,062.79
  6. Step 6: Final answer
    x = 75,377.27

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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.