Home / 98,269.02-135,569.22-64,218.41

Finding the Fourth Proportional to 98,269.02, 135,569.22 and 64,218.41

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Solution

The fourth proportional to 98,269.02, 135,569.22 and 64,218.41 is: 88,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,269.02 : 135,569.22 = 64,218.41 : x
  2. Step 2: Convert to fraction form
    98,269.02/135,569.22 = 64,218.41/x
  3. Step 3: Cross multiply
    98,269.02x = 135,569.22 × 64,218.41
  4. Step 4: Simplify right side
    98,269.02x = 8,706,039,075.49
  5. Step 5: Solve for x
    x = 8,706,039,075.49/98,269.02
  6. Step 6: Final answer
    x = 88,593.93

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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.