Home / 88,122.34-121,515.83-62,602.18

Finding the Fourth Proportional to 88,122.34, 121,515.83 and 62,602.18

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Solution

The fourth proportional to 88,122.34, 121,515.83 and 62,602.18 is: 86,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,122.34 : 121,515.83 = 62,602.18 : x
  2. Step 2: Convert to fraction form
    88,122.34/121,515.83 = 62,602.18/x
  3. Step 3: Cross multiply
    88,122.34x = 121,515.83 × 62,602.18
  4. Step 4: Simplify right side
    88,122.34x = 7,607,155,480.47
  5. Step 5: Solve for x
    x = 7,607,155,480.47/88,122.34
  6. Step 6: Final answer
    x = 86,324.94

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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.