Home / 61,980.39-85,533.50-33,686.15

Finding the Fourth Proportional to 61,980.39, 85,533.50 and 33,686.15

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Solution

The fourth proportional to 61,980.39, 85,533.50 and 33,686.15 is: 46,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,980.39 : 85,533.50 = 33,686.15 : x
  2. Step 2: Convert to fraction form
    61,980.39/85,533.50 = 33,686.15/x
  3. Step 3: Cross multiply
    61,980.39x = 85,533.50 × 33,686.15
  4. Step 4: Simplify right side
    61,980.39x = 2,881,293,967.57
  5. Step 5: Solve for x
    x = 2,881,293,967.57/61,980.39
  6. Step 6: Final answer
    x = 46,487.19

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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.