Home / 112,373.81-155,075.38-62,072.81

Finding the Fourth Proportional to 112,373.81, 155,075.38 and 62,072.81

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Solution

The fourth proportional to 112,373.81, 155,075.38 and 62,072.81 is: 85,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,373.81 : 155,075.38 = 62,072.81 : x
  2. Step 2: Convert to fraction form
    112,373.81/155,075.38 = 62,072.81/x
  3. Step 3: Cross multiply
    112,373.81x = 155,075.38 × 62,072.81
  4. Step 4: Simplify right side
    112,373.81x = 9,625,964,598.42
  5. Step 5: Solve for x
    x = 9,625,964,598.42/112,373.81
  6. Step 6: Final answer
    x = 85,660.21

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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.