Home / 89,683.54-134,525.31-42,287.60

Finding the Fourth Proportional to 89,683.54, 134,525.31 and 42,287.60

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Solution

The fourth proportional to 89,683.54, 134,525.31 and 42,287.60 is: 63,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,683.54 : 134,525.31 = 42,287.60 : x
  2. Step 2: Convert to fraction form
    89,683.54/134,525.31 = 42,287.60/x
  3. Step 3: Cross multiply
    89,683.54x = 134,525.31 × 42,287.60
  4. Step 4: Simplify right side
    89,683.54x = 5,688,752,499.16
  5. Step 5: Solve for x
    x = 5,688,752,499.16/89,683.54
  6. Step 6: Final answer
    x = 63,431.40

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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.