Home / 89,316.18-133,985.10-39,408.84

Finding the Fourth Proportional to 89,316.18, 133,985.10 and 39,408.84

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Solution

The fourth proportional to 89,316.18, 133,985.10 and 39,408.84 is: 59,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,316.18 : 133,985.10 = 39,408.84 : x
  2. Step 2: Convert to fraction form
    89,316.18/133,985.10 = 39,408.84/x
  3. Step 3: Cross multiply
    89,316.18x = 133,985.10 × 39,408.84
  4. Step 4: Simplify right side
    89,316.18x = 5,280,197,368.28
  5. Step 5: Solve for x
    x = 5,280,197,368.28/89,316.18
  6. Step 6: Final answer
    x = 59,118.04

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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.