Home / 98,853.81-136,412.85-58,571.28

Finding the Fourth Proportional to 98,853.81, 136,412.85 and 58,571.28

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Solution

The fourth proportional to 98,853.81, 136,412.85 and 58,571.28 is: 80,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,853.81 : 136,412.85 = 58,571.28 : x
  2. Step 2: Convert to fraction form
    98,853.81/136,412.85 = 58,571.28/x
  3. Step 3: Cross multiply
    98,853.81x = 136,412.85 × 58,571.28
  4. Step 4: Simplify right side
    98,853.81x = 7,989,875,232.95
  5. Step 5: Solve for x
    x = 7,989,875,232.95/98,853.81
  6. Step 6: Final answer
    x = 80,825.16

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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.