Home / 89,643.61-134,450.08-29,653.59

Finding the Fourth Proportional to 89,643.61, 134,450.08 and 29,653.59

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Solution

The fourth proportional to 89,643.61, 134,450.08 and 29,653.59 is: 44,475.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,643.61 : 134,450.08 = 29,653.59 : x
  2. Step 2: Convert to fraction form
    89,643.61/134,450.08 = 29,653.59/x
  3. Step 3: Cross multiply
    89,643.61x = 134,450.08 × 29,653.59
  4. Step 4: Simplify right side
    89,643.61x = 3,986,927,977.84
  5. Step 5: Solve for x
    x = 3,986,927,977.84/89,643.61
  6. Step 6: Final answer
    x = 44,475.32

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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.