Home / 97,299.06-134,269.65-57,039.64

Finding the Fourth Proportional to 97,299.06, 134,269.65 and 57,039.64

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Solution

The fourth proportional to 97,299.06, 134,269.65 and 57,039.64 is: 78,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,299.06 : 134,269.65 = 57,039.64 : x
  2. Step 2: Convert to fraction form
    97,299.06/134,269.65 = 57,039.64/x
  3. Step 3: Cross multiply
    97,299.06x = 134,269.65 × 57,039.64
  4. Step 4: Simplify right side
    97,299.06x = 7,658,692,498.93
  5. Step 5: Solve for x
    x = 7,658,692,498.93/97,299.06
  6. Step 6: Final answer
    x = 78,712.91

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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.