Home / 112,984.13-155,917.32-62,683.13

Finding the Fourth Proportional to 112,984.13, 155,917.32 and 62,683.13

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Solution

The fourth proportional to 112,984.13, 155,917.32 and 62,683.13 is: 86,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,984.13 : 155,917.32 = 62,683.13 : x
  2. Step 2: Convert to fraction form
    112,984.13/155,917.32 = 62,683.13/x
  3. Step 3: Cross multiply
    112,984.13x = 155,917.32 × 62,683.13
  4. Step 4: Simplify right side
    112,984.13x = 9,773,385,638.81
  5. Step 5: Solve for x
    x = 9,773,385,638.81/112,984.13
  6. Step 6: Final answer
    x = 86,502.29

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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.