Home / 89,288.54-133,931.34-35,979.23

Finding the Fourth Proportional to 89,288.54, 133,931.34 and 35,979.23

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Solution

The fourth proportional to 89,288.54, 133,931.34 and 35,979.23 is: 53,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.54 : 133,931.34 = 35,979.23 : x
  2. Step 2: Convert to fraction form
    89,288.54/133,931.34 = 35,979.23/x
  3. Step 3: Cross multiply
    89,288.54x = 133,931.34 × 35,979.23
  4. Step 4: Simplify right side
    89,288.54x = 4,818,746,486.07
  5. Step 5: Solve for x
    x = 4,818,746,486.07/89,288.54
  6. Step 6: Final answer
    x = 53,968.25

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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.