Home / 112,811.60-155,683.14-62,510.60

Finding the Fourth Proportional to 112,811.60, 155,683.14 and 62,510.60

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Solution

The fourth proportional to 112,811.60, 155,683.14 and 62,510.60 is: 86,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,811.60 : 155,683.14 = 62,510.60 : x
  2. Step 2: Convert to fraction form
    112,811.60/155,683.14 = 62,510.60/x
  3. Step 3: Cross multiply
    112,811.60x = 155,683.14 × 62,510.60
  4. Step 4: Simplify right side
    112,811.60x = 9,731,846,491.28
  5. Step 5: Solve for x
    x = 9,731,846,491.28/112,811.60
  6. Step 6: Final answer
    x = 86,266.36

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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.