Home / 89,478.81-134,164.35-39,533.40

Finding the Fourth Proportional to 89,478.81, 134,164.35 and 39,533.40

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Solution

The fourth proportional to 89,478.81, 134,164.35 and 39,533.40 is: 59,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,478.81 : 134,164.35 = 39,533.40 : x
  2. Step 2: Convert to fraction form
    89,478.81/134,164.35 = 39,533.40/x
  3. Step 3: Cross multiply
    89,478.81x = 134,164.35 × 39,533.40
  4. Step 4: Simplify right side
    89,478.81x = 5,303,972,914.29
  5. Step 5: Solve for x
    x = 5,303,972,914.29/89,478.81
  6. Step 6: Final answer
    x = 59,276.30

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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.