Home / 88,220.04-121,729.95-52,409.13

Finding the Fourth Proportional to 88,220.04, 121,729.95 and 52,409.13

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Solution

The fourth proportional to 88,220.04, 121,729.95 and 52,409.13 is: 72,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,220.04 : 121,729.95 = 52,409.13 : x
  2. Step 2: Convert to fraction form
    88,220.04/121,729.95 = 52,409.13/x
  3. Step 3: Cross multiply
    88,220.04x = 121,729.95 × 52,409.13
  4. Step 4: Simplify right side
    88,220.04x = 6,379,760,774.44
  5. Step 5: Solve for x
    x = 6,379,760,774.44/88,220.04
  6. Step 6: Final answer
    x = 72,316.46

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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.