Home / 88,152.50-121,702.37-53,710.23

Finding the Fourth Proportional to 88,152.50, 121,702.37 and 53,710.23

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Solution

The fourth proportional to 88,152.50, 121,702.37 and 53,710.23 is: 74,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,152.50 : 121,702.37 = 53,710.23 : x
  2. Step 2: Convert to fraction form
    88,152.50/121,702.37 = 53,710.23/x
  3. Step 3: Cross multiply
    88,152.50x = 121,702.37 × 53,710.23
  4. Step 4: Simplify right side
    88,152.50x = 6,536,661,675.73
  5. Step 5: Solve for x
    x = 6,536,661,675.73/88,152.50
  6. Step 6: Final answer
    x = 74,151.74

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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.