Home / 109,875.96-151,653.58-64,568.50

Finding the Fourth Proportional to 109,875.96, 151,653.58 and 64,568.50

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Solution

The fourth proportional to 109,875.96, 151,653.58 and 64,568.50 is: 89,119.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,875.96 : 151,653.58 = 64,568.50 : x
  2. Step 2: Convert to fraction form
    109,875.96/151,653.58 = 64,568.50/x
  3. Step 3: Cross multiply
    109,875.96x = 151,653.58 × 64,568.50
  4. Step 4: Simplify right side
    109,875.96x = 9,792,044,180.23
  5. Step 5: Solve for x
    x = 9,792,044,180.23/109,875.96
  6. Step 6: Final answer
    x = 89,119.08

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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.