Home / 97,574.58-134,651.16-55,132.20

Finding the Fourth Proportional to 97,574.58, 134,651.16 and 55,132.20

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Solution

The fourth proportional to 97,574.58, 134,651.16 and 55,132.20 is: 76,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,574.58 : 134,651.16 = 55,132.20 : x
  2. Step 2: Convert to fraction form
    97,574.58/134,651.16 = 55,132.20/x
  3. Step 3: Cross multiply
    97,574.58x = 134,651.16 × 55,132.20
  4. Step 4: Simplify right side
    97,574.58x = 7,423,614,683.35
  5. Step 5: Solve for x
    x = 7,423,614,683.35/97,574.58
  6. Step 6: Final answer
    x = 76,081.44

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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.