Home / 100,569.51-150,887.04-47,972.16

Finding the Fourth Proportional to 100,569.51, 150,887.04 and 47,972.16

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Solution

The fourth proportional to 100,569.51, 150,887.04 and 47,972.16 is: 71,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,569.51 : 150,887.04 = 47,972.16 : x
  2. Step 2: Convert to fraction form
    100,569.51/150,887.04 = 47,972.16/x
  3. Step 3: Cross multiply
    100,569.51x = 150,887.04 × 47,972.16
  4. Step 4: Simplify right side
    100,569.51x = 7,238,377,224.81
  5. Step 5: Solve for x
    x = 7,238,377,224.81/100,569.51
  6. Step 6: Final answer
    x = 71,973.87

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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.