Home / 112,809.09-155,682.77-62,507.01

Finding the Fourth Proportional to 112,809.09, 155,682.77 and 62,507.01

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Solution

The fourth proportional to 112,809.09, 155,682.77 and 62,507.01 is: 86,263.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,809.09 : 155,682.77 = 62,507.01 : x
  2. Step 2: Convert to fraction form
    112,809.09/155,682.77 = 62,507.01/x
  3. Step 3: Cross multiply
    112,809.09x = 155,682.77 × 62,507.01
  4. Step 4: Simplify right side
    112,809.09x = 9,731,264,148.68
  5. Step 5: Solve for x
    x = 9,731,264,148.68/112,809.09
  6. Step 6: Final answer
    x = 86,263.12

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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.