Home / 96,897.40-133,729.50-53,881.18

Finding the Fourth Proportional to 96,897.40, 133,729.50 and 53,881.18

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Solution

The fourth proportional to 96,897.40, 133,729.50 and 53,881.18 is: 74,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,897.40 : 133,729.50 = 53,881.18 : x
  2. Step 2: Convert to fraction form
    96,897.40/133,729.50 = 53,881.18/x
  3. Step 3: Cross multiply
    96,897.40x = 133,729.50 × 53,881.18
  4. Step 4: Simplify right side
    96,897.40x = 7,205,503,427.97
  5. Step 5: Solve for x
    x = 7,205,503,427.97/96,897.40
  6. Step 6: Final answer
    x = 74,362.19

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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.