Home / 89,631.45-134,415.74-26,434.77

Finding the Fourth Proportional to 89,631.45, 134,415.74 and 26,434.77

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Solution

The fourth proportional to 89,631.45, 134,415.74 and 26,434.77 is: 39,642.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,631.45 : 134,415.74 = 26,434.77 : x
  2. Step 2: Convert to fraction form
    89,631.45/134,415.74 = 26,434.77/x
  3. Step 3: Cross multiply
    89,631.45x = 134,415.74 × 26,434.77
  4. Step 4: Simplify right side
    89,631.45x = 3,553,249,039.11
  5. Step 5: Solve for x
    x = 3,553,249,039.11/89,631.45
  6. Step 6: Final answer
    x = 39,642.88

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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.