Home / 89,995.40-134,995.32-23,438.51

Finding the Fourth Proportional to 89,995.40, 134,995.32 and 23,438.51

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Solution

The fourth proportional to 89,995.40, 134,995.32 and 23,438.51 is: 35,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,995.40 : 134,995.32 = 23,438.51 : x
  2. Step 2: Convert to fraction form
    89,995.40/134,995.32 = 23,438.51/x
  3. Step 3: Cross multiply
    89,995.40x = 134,995.32 × 23,438.51
  4. Step 4: Simplify right side
    89,995.40x = 3,164,088,482.80
  5. Step 5: Solve for x
    x = 3,164,088,482.80/89,995.40
  6. Step 6: Final answer
    x = 35,158.34

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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.