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Finding the Fourth Proportional to 72,482.40, 97,540.20 and 72,482.40

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Solution

The fourth proportional to 72,482.40, 97,540.20 and 72,482.40 is: 97,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,482.40 : 97,540.20 = 72,482.40 : x
  2. Step 2: Convert to fraction form
    72,482.40/97,540.20 = 72,482.40/x
  3. Step 3: Cross multiply
    72,482.40x = 97,540.20 × 72,482.40
  4. Step 4: Simplify right side
    72,482.40x = 7,069,947,792.48
  5. Step 5: Solve for x
    x = 7,069,947,792.48/72,482.40
  6. Step 6: Final answer
    x = 97,540.20

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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.