Home / 89,271.42-133,903.08-39,338.16

Finding the Fourth Proportional to 89,271.42, 133,903.08 and 39,338.16

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Solution

The fourth proportional to 89,271.42, 133,903.08 and 39,338.16 is: 59,005.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,271.42 : 133,903.08 = 39,338.16 : x
  2. Step 2: Convert to fraction form
    89,271.42/133,903.08 = 39,338.16/x
  3. Step 3: Cross multiply
    89,271.42x = 133,903.08 × 39,338.16
  4. Step 4: Simplify right side
    89,271.42x = 5,267,500,785.53
  5. Step 5: Solve for x
    x = 5,267,500,785.53/89,271.42
  6. Step 6: Final answer
    x = 59,005.46

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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.