Home / 97,450.32-134,478.72-55,012.80

Finding the Fourth Proportional to 97,450.32, 134,478.72 and 55,012.80

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Solution

The fourth proportional to 97,450.32, 134,478.72 and 55,012.80 is: 75,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,450.32 : 134,478.72 = 55,012.80 : x
  2. Step 2: Convert to fraction form
    97,450.32/134,478.72 = 55,012.80/x
  3. Step 3: Cross multiply
    97,450.32x = 134,478.72 × 55,012.80
  4. Step 4: Simplify right side
    97,450.32x = 7,398,050,927.62
  5. Step 5: Solve for x
    x = 7,398,050,927.62/97,450.32
  6. Step 6: Final answer
    x = 75,916.13

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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.