Home / 89,643.96-134,423.05-52,214.71

Finding the Fourth Proportional to 89,643.96, 134,423.05 and 52,214.71

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Solution

The fourth proportional to 89,643.96, 134,423.05 and 52,214.71 is: 78,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,643.96 : 134,423.05 = 52,214.71 : x
  2. Step 2: Convert to fraction form
    89,643.96/134,423.05 = 52,214.71/x
  3. Step 3: Cross multiply
    89,643.96x = 134,423.05 × 52,214.71
  4. Step 4: Simplify right side
    89,643.96x = 7,018,860,573.07
  5. Step 5: Solve for x
    x = 7,018,860,573.07/89,643.96
  6. Step 6: Final answer
    x = 78,297.08

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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.