Home / 64,875.40-89,528.70-38,033.80

Finding the Fourth Proportional to 64,875.40, 89,528.70 and 38,033.80

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Solution

The fourth proportional to 64,875.40, 89,528.70 and 38,033.80 is: 52,487.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,875.40 : 89,528.70 = 38,033.80 : x
  2. Step 2: Convert to fraction form
    64,875.40/89,528.70 = 38,033.80/x
  3. Step 3: Cross multiply
    64,875.40x = 89,528.70 × 38,033.80
  4. Step 4: Simplify right side
    64,875.40x = 3,405,116,670.06
  5. Step 5: Solve for x
    x = 3,405,116,670.06/64,875.40
  6. Step 6: Final answer
    x = 52,487.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.