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Finding the Fourth Proportional to 67,801.60, 101,702.40 and 62,886.40

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Solution

The fourth proportional to 67,801.60, 101,702.40 and 62,886.40 is: 94,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,801.60 : 101,702.40 = 62,886.40 : x
  2. Step 2: Convert to fraction form
    67,801.60/101,702.40 = 62,886.40/x
  3. Step 3: Cross multiply
    67,801.60x = 101,702.40 × 62,886.40
  4. Step 4: Simplify right side
    67,801.60x = 6,395,697,807.36
  5. Step 5: Solve for x
    x = 6,395,697,807.36/67,801.60
  6. Step 6: Final answer
    x = 94,329.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.