Home / 89,736.86-134,562.47-52,307.72

Finding the Fourth Proportional to 89,736.86, 134,562.47 and 52,307.72

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Solution

The fourth proportional to 89,736.86, 134,562.47 and 52,307.72 is: 78,436.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,736.86 : 134,562.47 = 52,307.72 : x
  2. Step 2: Convert to fraction form
    89,736.86/134,562.47 = 52,307.72/x
  3. Step 3: Cross multiply
    89,736.86x = 134,562.47 × 52,307.72
  4. Step 4: Simplify right side
    89,736.86x = 7,038,656,330.44
  5. Step 5: Solve for x
    x = 7,038,656,330.44/89,736.86
  6. Step 6: Final answer
    x = 78,436.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.