Home / 107,084.40-147,777.72-59,338.32

Finding the Fourth Proportional to 107,084.40, 147,777.72 and 59,338.32

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Solution

The fourth proportional to 107,084.40, 147,777.72 and 59,338.32 is: 81,887.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,084.40 : 147,777.72 = 59,338.32 : x
  2. Step 2: Convert to fraction form
    107,084.40/147,777.72 = 59,338.32/x
  3. Step 3: Cross multiply
    107,084.40x = 147,777.72 × 59,338.32
  4. Step 4: Simplify right side
    107,084.40x = 8,768,881,638.23
  5. Step 5: Solve for x
    x = 8,768,881,638.23/107,084.40
  6. Step 6: Final answer
    x = 81,887.57

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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.