Home / 68,053.09-101,420.32-64,510.15

Finding the Fourth Proportional to 68,053.09, 101,420.32 and 64,510.15

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Solution

The fourth proportional to 68,053.09, 101,420.32 and 64,510.15 is: 96,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,053.09 : 101,420.32 = 64,510.15 : x
  2. Step 2: Convert to fraction form
    68,053.09/101,420.32 = 64,510.15/x
  3. Step 3: Cross multiply
    68,053.09x = 101,420.32 × 64,510.15
  4. Step 4: Simplify right side
    68,053.09x = 6,542,639,641.42
  5. Step 5: Solve for x
    x = 6,542,639,641.42/68,053.09
  6. Step 6: Final answer
    x = 96,140.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.