Home / 54,729.50-75,526.59-30,856.01

Finding the Fourth Proportional to 54,729.50, 75,526.59 and 30,856.01

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Solution

The fourth proportional to 54,729.50, 75,526.59 and 30,856.01 is: 42,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.50 : 75,526.59 = 30,856.01 : x
  2. Step 2: Convert to fraction form
    54,729.50/75,526.59 = 30,856.01/x
  3. Step 3: Cross multiply
    54,729.50x = 75,526.59 × 30,856.01
  4. Step 4: Simplify right side
    54,729.50x = 2,330,448,838.67
  5. Step 5: Solve for x
    x = 2,330,448,838.67/54,729.50
  6. Step 6: Final answer
    x = 42,581.22

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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.