Home / 88,188.29-121,702.05-47,902.04

Finding the Fourth Proportional to 88,188.29, 121,702.05 and 47,902.04

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Solution

The fourth proportional to 88,188.29, 121,702.05 and 47,902.04 is: 66,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,188.29 : 121,702.05 = 47,902.04 : x
  2. Step 2: Convert to fraction form
    88,188.29/121,702.05 = 47,902.04/x
  3. Step 3: Cross multiply
    88,188.29x = 121,702.05 × 47,902.04
  4. Step 4: Simplify right side
    88,188.29x = 5,829,775,858.67
  5. Step 5: Solve for x
    x = 5,829,775,858.67/88,188.29
  6. Step 6: Final answer
    x = 66,106.01

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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.