Home / 89,022.40-133,533.60-42,366.40

Finding the Fourth Proportional to 89,022.40, 133,533.60 and 42,366.40

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Solution

The fourth proportional to 89,022.40, 133,533.60 and 42,366.40 is: 63,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,022.40 : 133,533.60 = 42,366.40 : x
  2. Step 2: Convert to fraction form
    89,022.40/133,533.60 = 42,366.40/x
  3. Step 3: Cross multiply
    89,022.40x = 133,533.60 × 42,366.40
  4. Step 4: Simplify right side
    89,022.40x = 5,657,337,911.04
  5. Step 5: Solve for x
    x = 5,657,337,911.04/89,022.40
  6. Step 6: Final answer
    x = 63,549.60

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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.