Home / 112,699.16-155,524.47-62,398.16

Finding the Fourth Proportional to 112,699.16, 155,524.47 and 62,398.16

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Solution

The fourth proportional to 112,699.16, 155,524.47 and 62,398.16 is: 86,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,699.16 : 155,524.47 = 62,398.16 : x
  2. Step 2: Convert to fraction form
    112,699.16/155,524.47 = 62,398.16/x
  3. Step 3: Cross multiply
    112,699.16x = 155,524.47 × 62,398.16
  4. Step 4: Simplify right side
    112,699.16x = 9,704,439,985.35
  5. Step 5: Solve for x
    x = 9,704,439,985.35/112,699.16
  6. Step 6: Final answer
    x = 86,109.25

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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.